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USMLE1 ALL PHARM
N/A
476
Medical
Graduate
04/18/2011

Additional Medical Flashcards

 


 

Cards

Term
Bethanechol
Mech?
Use?
Definition
Direct cholinomimetic
activate bowels/bladder post surg
Cholinesterase resistant
Term
Carbachol Mech? Use?
Definition

Direct cholinomimetic (= ACh)

Glaucoma

Cholinesterase sensitive!

(only one besides ACh)

Term
Pilocarbine Mech? Use?
Definition

Direct cholinomimetic

Glaucoma

Stimulates sweat, saliva, tears (PILE on the fluids)

Cholinesterase resistant

Term
Methacholine
Mech?
Use?
Definition
Direct cholinomimetic
Challenge test for asthma
Cholinesterase resistant
Term
Neostigmine
Mech?
Use?
Definition
Anticholinesterase
Postop/neurogenic ileus, myasthenia gravis, NMJ block reversal
No CNS penetration
Term
Pyridostigmine
Mech?
Use?
Definition
Anticholinesterase
Myasthenia gravis, long acting
No CNS penetration
Term
Edrophonium
Mech?
Use?
Definition
Anticholinesterase
Myasthenia gravis Dx, very short acting
Term
Physostigmine Mech? Use?
Definition

Acetylcholinesterase inhibitor

Glaucoma, atropine overdose CNS entry

(phys for eyes - the one with CSF entry)

Term
Echothiophate
Mech?
Use?
Definition
Anticholinesterase
Glaucoma
Term

Parathion

Mech?

Use?

Antidote?

Definition
Irreversible AChE inhibitor (organophosphate) pesticide, toxin Antidote: atropine + pralidoxime
Term
Parathion
Mech?
Use?
Definition
Irreversible AChE inhibitor (organophosphate)
pesticide, toxin
Antidote: atropine + pralidoxime
Term
Atropine
Mech?
Use?
Definition
Muscarinic antagonist
causes mydriasis, cycloplegia
Term
Homatropine
Mech?
Use?
Definition
Muscarinic antagonist (= atropine)
causes mydriasis, cycloplegia
Term
Tropicamide Mech? Use?
Definition

Muscarinic antagonist (= atropine) causes mydriasis, cycloplegia

"trop"icamide, a"trop"ine

Term
Benztropine
Mech?
Use?
Definition
Muscarinic antagonist
*Parkinson's disease
Term
Scopolamine
Mech?
Use?
Definition
Muscarinic antagonist
motion sickness (patch)
Term
Ipratropium
Mech?
Use?
Definition
Muscarinic antagonist
Asthma, COPD
Term
Oxybutynin
Mech?
Use?
Definition
Muscarinic antagonist
Reduce urgency, bladder spasm
Term
Glycopyrrolate
Mech?
Use?
Definition
Muscarinic antagonist
Reduce urgency, bladder spasm
Term
Methscopolamine
Mech?
Use?
Definition
Muscarinic antagonist
Peptic ulcers
Term
Propantheline
Mech?
Use?
Definition
Muscarinic antagonist
peptic ulcers
Term
Hexamethonium
Mech?
Use?
Definition
Nicotinic antagonist
ganglionic blocker - prevents vagal reflexes
causes orthostatic hypotension, blurred vision, constipation
Term
Epinephrine
Mech?
Use?
Definition
Direct sympathomimetic
a1, a2, b1, b2 - low doses ~b1 selective
anaphylaxis, open angle glaucoma, asthma, hypoTN
Term
Norepinephrine
Mech?
Use?
Definition
Direct sypathomimetic
a1, a2, ~b1
hypoTN
causes decreased renal perfusion (less renin effect)
Term
Isoproterenol
Mech?
Use?
Definition
Direct sympathomimetic
b1, b2
AV block (rarely used)
Term
Dopamine
Mech?
Use?
Definition
Direct sympathomimetic
D1, D2, > b, > a, inotropic and chronotropic
increases renal perfusion, shock, CHF
Term
Dobutamine
Mech?
Use?
Definition
Direct sympathomimetic
b1 > b2, inotropic (NOT chronotropic)
CHF, cardiac stress test
Term
Phenylephrine
Mech?
Use?
Definition
Direct sympathomimetic
a1 > a2
pupillary dilation, vasoconstriction, nasal decongestion
Term
Metaproterenol
Mech?
Use?
Definition
Direct sympathomimetic
b2 selective (~b1)
Acute asthma
Term
Albuterol
Mech?
Use?
Definition
Direct sympathomimetic
b2 selective (~b1)
acute asthma
Term
Salmeterol Mech? Use?
Definition

Direct sympathomimetic b2 selective (~b1) long-term asthma tx

MAST

metaproterenol, albuterol, salmeterol, terbutline

Term
Terbutaline Mech? Use?
Definition

Direct sympathomimetic b2 selective (~some b1) tocolytic

("but" like al"but"erol)

Term
Ritodrine Mech? Use?
Definition

Direct sympathomimetic b2 selective (~b1)

tocolytic

(rito-DREAM, back to sleep for baby)

Term
Amphetamine
Mech?
Use?
Definition
Indirect sympathetic agonist, releases stored catecholamines
Narcolepsy, obesity, ADD
Term
Ephedrine
Mech?
Use?
Definition
Indirect sympathetic agonist, releases stored catecholamines
Nasal decongestion, urinary incontinence, hypotension
Term
Cocaine
Mech?
Use?
Definition
Indirect sympathetic agonist, uptake inhibitor
Vasoconstriction & local anesthesia
Term
Clonidine
Mech?
Use?
Definition
Indirect sympathetic antagonist
a2 agonist -> low central adrenergic outflow
Hypertension, especially with renal disease (no decrease in renal blood flow)
Term
alpha-Methyldopa
Mech?
Use?
Definition
Indirect sympathetic antagonist
a2 agonist -> low central adrenergic outflow
Hypertension, especially with renal disease (no decrease in renal blood flow)
Term
Phenoxybenzamine
Mech?
Use?
Definition
non-selective alpha-blocker, irreversible
pheochromocytomas
Term
Phentolamine
Mech?
Use?
Definition
non-selective alpha-blocker, reversible
pheochromocytoma
Term
Prazosin
Mech?
Use?
Definition
alpha-1 selective blocker
HTN, urinary retention in BPH
Term
Terazosin
Mech?
Use?
Definition
alpha-1 selective blocker
HTN, urinary retention in BPH
Term
Doxazosin
Mech?
Use?
Definition
alpha-1 selective blocker
HTN, urinary retention in BPH
Term
Mirtazapine
Mech?
Use?
Definition
alpha-2 selective alpha-blocker
Depression (TCA)
Term
"-olols"
Mech?
Use?
Toxicity
Definition
Beta-blockers
HTN (reduce CO, reduce renin secretion), Angina, MI, SVT (reduce AV conduction velocity), CHF, Glaucoma
Asthma/COPD exacerbation, bardycardia/AV block, impotence, sleep effects, decreased insulin release (caution in DM)
Term
Propranolol, timolol, nadolol, pindolol
Definition
Non-selective beta blockers
Term
acebutalol, betaxolol, esmolol, atenolol, metoprolol
Definition

beta-1 selective beta blockers (good for comorbid asthma/COPD)

A BEAM of beta-1 selective blockers

 

ace-but = 1-b

Term
carvedilol, labetalol
Definition
non-selective alpha- and beta-blockers
Term
pindolol, acebutolol
Definition
partial beta-agonists
Term
Tamsulosin
Mech
Use
Definition
Selective alpha-1 blocker
HTN, urinary retention in BPH
Term
Fomepizole
Mech?
Use?
Definition
inhibits alcohol dehydrogenase
methanol or ethylene glycol poisoning
Term
Disulfram
Mech?
Use?
Definition
(Antabuse)
inhibits acetaldehyde dehydrogenase, increases hangover sx
Term
Hydralazine
Mech?
Use?
Tox?
Definition
increase cGMP, vasodilates arteries > veins, afterload reduction
Severe HTN, CHF. With methyldopa for HTN in pregnancy. With b-blocker to prevent reflex tachycardia.
Compensatory tachycardia, fluid retention (reflex renin release), nausea, headache, angina. Drug-induced lupus.
Term
Nifedipine
Mech?
Use?
Tox?
Definition
Peripheral edema, flushing, dizziness, constipation
*"Nifedipine is similar to Nitrates in effect"
Term
Verapamil
Mech?
Use?
Tox?
Definition
Non-dihydropyridine CCN
block voltage-dependent Ca channels on cardiac and smooth muscle
Non-DHPs: heart > vascular effect
HTN, angina, arrhythmias, Prinzmetal angina, Raynauds
Constipation, gingival hyperplasia. Cardiac depression, AV block, peripheral edema, flushing, dizziness.
Term
Diltiazem
Mech?
Use?
Tox?
Definition
Non-dihydropyridine CCN
block voltage-dependent Ca channels on cardiac and smooth muscle
Non-DHPs: heart > vascular effect
HTN, angina, arrhythmias, Prinzmetal angina, Raynauds
Cardiac depression, AV block, peripheral edema, flushing, dizziness, constipation
Term
Nitroglycerin
Mech?
Use?
Tox?
Definition
NO release, increase cGMP, smooth muscle dilation
Veins >> arteries, decrease preload
Angina, pulmonary edema, erection enhancer
Reflex tachycardia, hypotension, flushing, headache, "Monday disease" in industrial exposure
Term
Isosorbide dinitrate
Mech?
Use?
Tox?
Definition
NO release, increase cGMP, smooth muscle dilation
Veins >> arteries, decrease preload
Angina, pulmonary edema, erection enhancer
Reflex tachycardia, hypotension, flushing, headache, "Monday disease" in industrial exposure.
*NB: isorboside mononitrate is active metabolite, has 100% bioavail - dinitrate is hepatic glucoronidated.
Term
Nitroprusside
Mech?
Use?
Tox?
Antidote?
Definition
NO release, increase cGMP, smooth muscle dilation
Short acting, for malignant HTN
cyanide toxicity - thiosulfate to bind CN
Term
Fenoldopam
Mech?
Use?
Definition
D1 receptor agonist, relaxes renal smooth muscle.
Only agent that improves renal perfusion as it lowers blood pressure.
malignant hypertension
Term
Diazoxide
Mech?
Use?
Tox?
Definition
K+ channel opener - hyperpolarizes then relaxes smooth muscle.
Malignant hypertension.
Hyperglycemia (prevents insulin release)
Term
Statins
Mech
Use
Tox
Definition
HMG-CoA reductase inhibition, lower mavalonate. Compensatory increase in LDL uptake to make bile.
Lowers LDL, triglycerides, slight raise in HDL
Hepatotoxicity, rhabdomyolysis
Term
Niacin
Mech?
Use?
Tox?
Definition
Inhibits lipolysis in adipose tissue, reduces liver VLDL secretion
raises HDL, lowers LDL, lowers triglycerides.
*Also has vasodilatory effects
Flushing (block with ASA), hyperglycemia, hyperuricemia
Term
Cholestyramine, Colestipol, Colesevelam
Mech?
Use?
Tox?
Definition
Bile acid resins, prevent reabsorption of bile acids, liver uses cholesterol to make more.
Lowers LDL, slight HDL increase, slight triglyceride increase
Tastes bad, GI discomfort, fat-soluble vitamin def., cholesterol gallstones
Term
Ezetimibe
Mech?
Use?
Tox?
Definition
Prevent cholesterol reabsorption at brush border
Lowers LDL
Rare hepatotoxicity
Term
Gemfibrozil, Clofibrate, Bezafibrate, Fenofibrate
Mech?
Use?
Tox?
Definition
Fibrates; upregulate LPL, increase TG clearance
large triglyceride reduction, lower LDL, raise HDL
Myositis, hepatotoxic, *cholesterol gallstones.
Term
Digoxin
Mech?
Use?
Tox?
Antidote?
Definition
Direct inhibition of Na/K ATPase, indirect increase in Ca, positive inotropy. Stimulates vagus nerve, decreases AV conductivity, SA node activity.
CHF, atrial fibrillation.
Cholinergic: N/V, diarrhea, blurry yellow vision. ECG: increased PR, decreased QT, T-wave inversion, ventricular tachyarrythmia, hyperkalemia. Worse with renal failure (excretion), hypokalemia (competes for binding), quinidine (protein binding displacement).
Slowly normalize K+, lidocaine, anti-dig Fab, Mg++
Term
Quinidine
Mech?
Use?
Tox?
Definition
Class IA antiarrhythmic: Na channel blocker.
Decrease slope of depolarization, prolong cardiac action potential duration (prolong QRS), prolong QT interval.
Atrial and ventricular arrhythmias, esp. SVT, reentrant, V-tach.
Cinchonism, thrombocytopenia, torsades de pointes. Increased toxicity with hyperkalemia.
Term
Procainamide
Mech?
Use?
Tox?
Definition
Class IA antiarrhythmic: Na channel blocker.
Decrease slope of depolarization (prolong QRS), prolong cardiac action potential duration, prolong QT interval.
Atrial and ventricular arrhythmias, esp. SVT, reentrant, V-tach.
Drug-induced lupus, thrombocytopenia, torsades de pointes. Increased toxicity with hyperkalemia.
Term
Disopyramide
Mech?
Use?
Tox?
Definition
Class IA antiarrhythmic: Na channel blocker.
Decrease slope of depolarization (prolong QRS), prolong cardiac action potential duration, prolong QT interval.
Atrial and ventricular arrhythmias, esp. SVT, reentrant, V-tach.
Thrombocytopenia, torsades de pointes. Increased toxicity with hyperkalemia.
Term
Lidocaine
Mech?
Use?
Tox?
Definition
Class IB antiarrhythmic: Na channel blocker
Decrease slope of depolarization (prolong QRS), shorten cardiac action potential. Preferentially affect ischemic or depolarized tissue.
Acute ventricular arrythmias (MI), digitalis-induced arrhytmias.
Local anesthetic, CNS stimlation/depression, CV depression. Increased toxicity with hyperkalemia.
Term
Mexiletine
Mech?
Use?
Tox?
Definition
Class IB antiarrhythmic: Na channel blocker
Decrease slope of depolarization (prolongs QRS), shorten cardiac action potential. Preferentially affect ischemic or depolarized tissue.
Acute ventricular arrythmias (MI), digitalis-induced arrhytmias.
Local anesthetic, CNS stimlation/depression, CV depression. Increased toxicity with hyperkalemia.
Term
Tocainide
Mech?
Use?
Tox?
Definition
Class IB antiarrhythmic: Na channel blocker
Decrease slope of depolarization (prolongs QRS), shorten cardiac action potential. Preferentially affect ischemic or depolarized tissue.
Acute ventricular arrythmias (MI), digitalis-induced arrhytmias.
Local anesthetic, CNS stimlation/depression, CV depression. Increased toxicity with hyperkalemia.
Term
Flecainide
Mech?
Use?
Tox?
Definition
Class IC antiarrythmic: Na channel blocker.
Decrease slope of depolarization (prolongs QRS), no effect on cardiac action potential length.
V-fib, intractable SVT. Last resort. CI: structural abnormalities (post-MI)
Proarrythmic, esp. post-MI. AV node block. Increased toxicity with hyperkalemia.
Term
Encainide
Mech?
Use?
Tox?
Definition
Class IC antiarrythmic: Na channel blocker.
Decrease slope of depolarization (prolongs QRS), no effect on cardiac action potential length.
V-fib, intractable SVT. Last resort. CI: structural abnormalities (post-MI)
Proarrythmic, esp. post-MI. AV node block. Increased toxicity with hyperkalemia.
Term
Propafenone
Mech?
Use?
Tox?
Definition
Class IC antiarrythmic: Na channel blocker.
Decrease slope of depolarization (prolong QRS), no effect on cardiac action potential length.
V-fib, intractable SVT. Last resort. CI: structural abnormalities (post-MI)
Proarrythmic, esp. post-MI. AV node block. Increased toxicity with hyperkalemia.
Term
Class II anti-arrhythmics
Mech?
Use?
Tox?
Antidote?
Definition
= beta-blockers
lower cAMP, lower Ca currents. Slower automaticity. Prolonged PR interval (AV node block).
V-tach, SVT, atrial fibrillation and flutter.
Asthma/COPD CI, CNS effects. Can decrease insulin release and mask effects of hypoglycemia.
Glucagon.
Term
Betrylium
Mech?
Use?
Tox?
Definition
B-SAID block K!
Class III antiarrhythmics: K channel blockers
Prolong action potential duration, prolong QT interval.
Last resort!
New arrhythmias, hypotension
Term
Sotalol
Mech?
Use?
Tox?
Definition
B-SAID block K!
Class III antiarrhythmics: K channel blockers
(sotalol: beta-block and K channel block)
Prolong action potential duration, prolong QT interval.
Last resort!
torsades de pointes, beta-block toxicity
Term
Amiodarone
Mech?
Use?
Tox?
Definition
B-SAID block K!
Class III antiarrhythmics: K channel blockers
Prolong action potential duration, prolong QT interval. Amiodarone effects lipid membrane, numerous effects.
Last resort!
**Pulmonary fibrosis, hepatotoxicity, hypo/hyperthyroidism (PFTs/LFTs/TFTs). Corneal deposits, blue/grey skin discoloration, photosensitivity, neurologic effects, constipation, CV depression.
Term
Ibutilide
Mech?
Use?
Tox?
Definition
B-SAID block K!
Class III antiarrhythmics: K channel blockers
Prolong action potential duration, prolong QT interval.
Last resort!
Torsades de pointes
Term
Dofetilide
Mech?
Use?
Tox?
Definition
B-SAID block K!
Class III antiarrhythmics: K channel blockers
Prolong action potential duration, prolong QT interval.
Last resort!
Torsades de pointes
Term
Class IV anti-arrhythmics
Mech?
Use?
Tox?
Definition
= Non-DHP CCBs: Verapamil, Diltiazem
Decrease conduction velocity, increase PR interval.
SVT, nodal arrythmias
Constipation, flushing, edema, CV depression
Term
Adenosine
Mech?
Use?
Tox?
Antidote?
Definition
Inhibit adenylyl cyclase, hyperpolarize cells.
Will abolish AV node re-entrant SVTs, use for Dx.
Flushing, hypoTN, chest pain.
Block with theophylline.
Term
Dipyridamole
Mech?
Use?
Definition
Adenosine deaminase inhibitor
allows for accumulation of adenosine, same effects and uses.
Term
Amlodipine
Mech?
Use?
Tox?
Definition
dihydropyridine CCB (-dipines)
block voltage gated Ca channels
DHPs: vascular > cardiac
HTN, Prinzmetal's angina, Raynauds. Not for typical angina, arrythmias - not cardioselective, reflex tachycardia.
Peripheral edema, flushing, dizziness, constipation.
Term
Milirinone
Definition
Phosphodiesterase inhibitor
Increases cardiac contractility, decreases preload and afterload.
IV only, short term therapy.
Term
Steps to lower LDL?
Steps to lower TG?
Steps to raise HDL?
Definition
LDL: Diet & exercise -> Statin -> Ezetimibe.
TG: Diet & exercise -> Fibrate -> Niacin
HDL: Diet & exercise -> Niacin
Term
Reserpine
Mech
Use
Tox
Definition
Irreversibly bind presynaptic vesicles in adrenergic neurons. Blocks monoamine transport into vesicles, allowing them to be degraded by MAOs.
Cheap anti-hypertensive, not used in developed world anymore due to AEs.
Depression (anti-NE and 5HT effects), nasal congestion (anti-adrenergic), increased gastric acid secretion (anti-adrenergic).
Term
Treatment for central DI?
Nephrogenic DI?
Definition
Central: dDAVP (desmopressin, ADH analog)
Nephrogenic: HCTZ, indomethacin, amiloride
Term
Treatment for SIADH?
Definition
Demeocycline, H2O restriction
Term
Lispro
Mech
Use
Tox
Definition
Rapid acting insulin
Type 1DM, Type 2DM, gestational DM, hyperkalemia, stress-induced hyperglycemia
Hypoglycemia, hypersensitivity (rare), orthostatic hyptotension (rare)
Term
Aspart
Mech
Use
Tox
Definition
Rapid acting insulin
Type 1DM, Type 2DM, gestational DM, hyperkalemia, stress-induced hyperglycemia
Hypoglycemia, hypersensitivity (rare), orthostatic hyptotension (rare)
Term
NPH
Mech
Use
Tox
Definition
Intermediate acting insulin
Type 1DM, Type 2DM, gestational DM, hyperkalemia, stress-induced hyperglycemia
Hypoglycemia, hypersensitivity (rare), orthostatic hyptotension (rare)
Term
Glargine
Mech
Use
Tox
Definition
Long acting insulin
Type 1DM, Type 2DM, gestational DM, hyperkalemia, stress-induced hyperglycemia
Hypoglycemia, hypersensitivity (rare), orthostatic hyptotension (rare)
Term
Detemir
Mech
Use
Tox
Definition
Long acting insulin
Type 1DM, Type 2DM, gestational DM, hyperkalemia, stress-induced hyperglycemia
Hypoglycemia, hypersensitivity (rare), orthostatic hyptotension (rare)
Term
Tolbutamide
Mech
Use
Tox
Definition
1st generation sulfonylurea; close K channel in beta-cell membrane, triggers insulin release
Type 2 DM only.
Disulfiram-like effects
Term
Chlorpropamide
Mech
Use
Tox
Definition
1st generation sulfonylurea; close K channel in beta-cell membrane, triggers insulin release
Type 2 DM only.
Disulfiram-like effects
Term
Glyburide
Mech
Use
Tox
Definition
2nd generation sulfonylurea; close K channel in beta-cell membrane, triggers insulin release
Type 2 DM only.
Hypoglycemia, rare agranulocytosis
Term
Glimepiride
Mech
Use
Tox
Definition
2nd generation sulfonylurea; close K channel in beta-cell membrane, triggers insulin release
Type 2 DM only.
Hypoglycemia, rare agranulocytosis
Term
Glipizide
Mech
Use
Tox
Definition
2nd generation sulfonylurea; close K channel in beta-cell membrane, triggers insulin release
Type 2 DM only.
Hypoglycemia, rare agranulocytosis
Term
Metformin
Mech
Use
Tox
Definition
A biguanide; decreases gluconeogenesis (main action), also increases glycolysis, increases peripheral insulin sensitivity. Mechanism unknown.
Type 2DM, less often in type 1DM.
Lactic acidosis (CI in renal failure).
Term
Pioglitazone
Mech
Use
Tox
Definition
A thiazolidinedione. Increases insulin sensitivity in peripheral tissue by binding to PPAR-gamma nuclear TF. Increase adiponectin levels, fatty acid transport protein, insulin receptor, GLUT4.
Monotherapy for DM2, or with other agents.
Weight gain, edema. Hepatotoxic. CV toxic.
Term
Rosiglitazone
Mech
Use
Tox
Definition
A thiazolidinedione. Increases insulin sensitivity in peripheral tissue by binding to PPAR-gamma nuclear TF. Increase adiponectin levels, fatty acid transport protein, insulin receptor, GLUT4.
Monotherapy for DM2, or with other agents.
Weight gain, edema. Hepatotoxic. CV toxic.
Term
Acarbose
Mech
Use
Tox
Definition
alpha-glucosidase inhibitor. Delays sugar hydrolysis/absorption at brush border, lowers post-prandial hyperglycemia.
Monotherapy in DM2, or combo with other agents.
Osmotic diarrhea, flatulence.
Term
Miglitol
Mech
Use
Tox
Definition
alpha-glucosidase inhibitor. Delays sugar hydrolysis/absorption at brush border, lowers post-prandial hyperglycemia.
Monotherapy in DM2, or combo with other agents.
Osmotic diarrhea, flatulence.
Term
Pramlintide
Mech
Use
Tox
Definition
Amylin analog (usually released with insulin). Slows gastric emptying, promotes satiety, inhibits glucagon secretion.
DM1 and insulin-using DM2.
Hypoglycemia, nausea, diarrhea.
Term
Exenatide
Mech
Use
Tox
Definition
GLP-1 analog. Mechanism unknown. Enhances insulin secretion, suppresses glucagon secretion, slows gastric emptying.
DM type 2, adjunct to other oral meds.
Nausea, vomiting, pancreatitis.
Term
Propylthiouracil
Mech
Use
Tox
Definition
Inhibit thyroperoxidase; prevent organification of iodide and DIT/MIT coupling. Also inhibit peripheral conversion of T4 to T3.
Hyperthyroidism.
Skin rash, agranulocytosis, aplastic anemia.
Term
Methimazole
Mech
Use
Tox
Definition
Inhibit thyroperoxidase; prevent organification of iodide and DIT/MIT coupling.
Hyperthyroidism.
Skin rash, agranulocytosis, aplastic anemia, teratogen.
Term
Levothyroxine
Mech
Use
Tox
Definition
Thyroxine replacement
Hypothyroidism, myxedema
Tachycardia, heat intolerance, tremors, arrythmias
Term
Triiodothyonine
Mech
Use
Tox
Definition
Thyroxine replacement
Hypothyroidism, myxedema
Tachycardia, heat intolerance, tremors, arrythmias
Term
Mitotane
Use?
Definition
Adrenocorticolytic; used for adrenocortical carcinoma.
Term
Metyrapone
Definition
Inhibits 11-beta-hydroxylase, preventing cortisol synthesis.
Used to test HPA axis - if intact, should see rise in urine 11-deoxycortisol metabolites (17-hydroxy-corticosteroids).
Term
Cimetidine
Mech
Use
Tox
Definition
Reversible blocker of H2 receptors, decreases parietal cell H+ secretion.
Peptic ulcers, gastritis, GERD.
Potent P450 inhibitor, antiandrogenic (prolactin release, gynecomastia, impotence, decreased libido). Crosses BBB (confusion, dizziness, headaches). Crosses placenta. Decreases renal excretion of creatinine, artificial "drop" in GFR.
Term
Ranitidine
Mech
Use
Tox
Definition
Reversible blocker of H2 receptors, decreases parietal cell H+ secretion.
Peptic ulcers, gastritis, GERD.
Decreases renal excretion of creatinine, artificial "drop" in GFR.
Term
Famotidine
Mech
Use
Tox
Definition
Reversible blocker of H2 receptors, decreases parietal cell H+ secretion.
Peptic ulcers, gastritis, GERD.
Fewer AEs compared to other H2 blockers.
Term
Nazitidine
Mech
Use
Tox
Definition
Reversible blocker of H2 receptors, decreases parietal cell H+ secretion.
Peptic ulcers, gastritis, GERD.
Fewer AEs compared to other H2 blockers.
Term
Omeprazole
Mech
Use
Tox
Definition
Irreversibly inhibits H/K ATPase in stomach parietal cells, active only in acidic area.
Peptic ulcer, gastrics, Zollinger-Ellison syndrome.
Raises stomach pH, may allow bacteria into GI tract.
Term
Lansoprazole
Mech
Use
Tox
Definition
Irreversibly inhibits H/K ATPase in stomach parietal cells, active only in acidic area.
Peptic ulcer, gastrics, Zollinger-Ellison syndrome.
Raises stomach pH, may allow bacteria into GI tract.
Term
Bismuth/sulcrafate
Mech
Use
Definition
Bind to ulcer base, provide physical protection
Ulcer healing, traveler's diarrhea
Term
Misoprostol
Mech
Use
Tox
Definition
PGE1 analog. Increases secretion of gastric mucous barrier, decreases acid production.
Prevent NSAID peptic ulcers, maintain PDA, induce labor.
CI: pregnancy (abortifacient). Diarrhea.
Term
Pirenzepine
Mech
Use
Tox
Definition
Anti-muscarinic, block M1 receptors on ECL cells, and M3 receptors on parietal cells.
Peptic ulcer (rarely used)
Tachycardia, dry mouth, accomodation loss.
Term
Propantheline
Mech
Use
Tox
Definition
Anti-muscarinic, block M1 receptors on ECL cells, and M3 receptors on parietal cells.
Peptic ulcer (rarely used)
Tachycardia, dry mouth, accomodation loss.
Term
Octreotide
Mech
Use
Tox
Definition
Somatostatin analog.
Acute variceal bleeds, acromegaly, VIPoma, carcinoid tumors.
Nausea, cramps, steatorrhea.
Term
Aluminum hydroxide
Mech
Use
Tox
Definition
Antacid.
GERD, peptic ulcer.
Affect drug absorption or urinary excretion. Hypokalemia.
Constipation, hypophosphatemia, proximal muscle weakness, osteodystrophy.
Aluminum = minimum amount of poop.
Term
Magnesium hydroxide
mech
use
tox
Definition
Antacid.
GERD, peptic ulcer.
Affect drug absorption or urinary excretion. Hypokalemia.
Diarrhea, hyporeflexia, hypotension, cardiac arrest.
Mg = Must go to the bathroom.
Term
Calcium carbonate
Mech
Use
Tox
Definition
Antacid.
GERD, peptic ulcer.
Affect drug absorption, urinary excretion.
Hypercalcemia, hypokalemia, rebound acid increase, can chelate some drugs (tetracyclines, fluoroquinolones).
Term
Sulfasalazine
Mech
Use
Tox
Definition
Combo of sulfapyridine (Abx) and 5-aminosalicylic acid (NSAID). Cleaved & activated by colonic bacteria for local delivery.
Ulcerative colitis, Chron's disease.
Malaise, nausea, sulfonamide toxicity, *reversible oligospermia.
Term
Odansetron
Mech
Use
Tox
Definition
5-HT3 antagonist.
Central-acting antiemetic. Post-op and chemo vomiting.
Headache, constipation.
Term
Metoclopramide
Mech
Use
Tox
Definition
D2 receptor antagonist. Increases GI resting tone, contractility, LES tone, motility. No change to colonic transport time.
Gastroparesis: diabetic and post-surg.
Increases Parkinsonian effects. Restlessness, drowsiness, fatigue, depression, nausea, diarrhea. Interacts with digoxin and diabetic agents. CI: small bowel obstruction (increaeses tone!)
Term
Syrup of Ipecac
Definition
Emetic - alkaloid root poison.
Used in acute poisoning cases - if poison is still in stomach/upper GI, may be possible to reduce exposure using emetic. However, rarely used today.
Lethargy, cardiotoxicity, reduces effectiveness of activated charcoal, antidotes, bowel irrigation.
Term
Activated charcoal
Definition
Charcoal with high surface area (1g = 500m^2!). Highly absorptive.
Acute poisoning.
Not for acid, alkali, or petroleum poisoning. Can cause pulmonary aspiration.
Term
Heparin
Mech
Use
tox
Definition
Cofactor for ATIII. Reduces thrombin and Xa.
Immediate anticoagulation. OK during pregnancy. Monitor with aPTT.
Bleeding, HIT, osteoporosis, drug-drug interactions. Protamine sulfate for antidote.
Term
Enoxaparin
Mech
Use
Definition
Low molecular weight heparin. Acts more on Xa, better bioavailability, 2-4 longer half-life. Less HIT risk. No laboratory monitoring needed. No antidote.
Term
Lepirudin
Mech
Use
Definition
Hirudin derivative, directly inhibits thrombin.
Alternative to hepain, use in patients with HIT.
Term
Bivalirudin
Mech
Use
Definition
Hirudin derivative, directly inhibits thrombin.
Alternative to hepain, use in patients with HIT.
Term
Warfarin
Mech
Use
Tox
Definition
Interferes with gamma-carboxylation of II, VII, IX, X, C, S (vitamin K dependent factors). Long half-life, P450 metabolized, plasma protein binding. Monitor with PT.
Use for chronic anticoagulation, NOT in pregnant women (crosses placenta).
Bleeding, teratogen, skin/tissue necrosis, DDIs. Vitamin K for OD, FFP for rapid reversal.
Term
Streptokinase
Mech
Use
Tox
Definition
Thrombolytic; aids conversion of plasminogen to plasmin, which cleaves thrombin and fibrin.
Early MI, stroke.
Bleeding - intracranial, recent surg, severe HTN. Give aminocaproic acid or tranexamic acid: inhibits plasminogen activation.
Term
Urokinase
Mech
Use
Tox
Definition
Thrombolytic; aids conversion of plasminogen to plasmin, which cleaves thrombin and fibrin.
Early MI, stroke.
Bleeding - intracranial, recent surg, severe HTN. Give aminocaproic acid or tranexamic acid: inhibits plasminogen activation.
Term
tPA (alteplase)
mech
use
tox
Definition
Thrombolytic; aids conversion of plasminogen to plasmin, which cleaves thrombin and fibrin.
Early MI, stroke.
Bleeding - intracranial, recent surg, severe HTN. Give aminocaproic acid or tranexamic acid: inhibits plasminogen activation.
Term
APSAC (anistreplase)
mech
use
tox
Definition
= plasminogen + streptokinase
Thrombolytic; aids conversion of plasminogen to plasmin, which cleaves thrombin and fibrin.
Early MI, stroke.
Bleeding - intracranial, recent surg, severe HTN. Give aminocaproic acid or tranexamic acid: inhibits plasminogen activation.
Term
Aminocaproic acid
mech
use
Definition
inhibits plasminogen activation
use for reversal of thrombolytics (streptokinase, tPA, urokinase, APSAC)
Term
Tranexamic acid
mech
use
Definition
inhibits plasminogen activation
use for reversal of thrombolytics (streptokinase, tPA, urokinase, APSAC)
Term
Clopidogrel
mech
use
tox
Definition
Irreversibly block ADP receptor on platelets, prevent GpIIb/IIIa expression, less fibrinogen binding.
Must be activated by P450.
Acute coronary syndrome; coronary stenting. Decreases incidence of thrombotic stoke.
Neutropenia, TTP, hemorrhage.
Term
Ticlopidine
mech
use
tox
Definition
Irreversibly block ADP receptor on platelets, prevent GpIIb/IIIa expression, less fibrinogen binding.
Acute coronary syndrome; coronary stenting. Decreases incidence of thrombotic stoke.
Neutropenia, TTP, hemorrhage.
Term
Abciximab
mech
use
tox
Definition
Antibody to GpIIb/IIIa. Prevents aggregation.
Acute coronary syndrome, percutaneous interventions.
Bleeding, thrombocytopenia.
Term
Methotrexate
Mech
Use
Tox
Definition
Folic acid analog, inhibits DHFR.
Leukemias, lymphomas, choriocarcinoma, sarcomas. Abortion, ectopic pregnancy, rheumatoid arthritis, psoriasis.
Myelosuppresion (leucovorin rescue). Macrovesicular liver steatosis. Mucositis. Teratogenic.
Term
5-fluorouracil (5-FU)
mech
use
tox
Definition
Pyrimidine analog. Metabolized to 5F-dUMP. Covalently complexes with folic acid, inhibits thymidylate synthase.
Colon cancer, other solid tumors, topical for basal cell carcinoma. Synergy with methotrexate.
Myelosuppresion (no leucovorin rescue! Rescue with thymidine). Photosensitivity.
Term
6-mercaptopurine (6-MP)
mech
use
tox
Definition
Purine (thiol) analog, inhibit purine synthesis.
Activated by HGPRT.
Leukemias, lymphomas.
Bone marrow, GI, liver toxicity. Metabolized by xanthine oxidase, increased toxicity with allopurinol.
Term
6-thioguanine (6-TG)
mech
use
tox
Definition
Purine analog, inhibit purine synthesis. Activated by HGPRT.
ALL
Myelosuppression, liver toxicity. Metabolized by xanthine oxidase, toxicity with allopurinol.
Term
Cytarabine (ara-C)
mech
use
tox
Definition
Pyrimidine analog (cytosine arabinoside). Inhibits DNA polymerase.
AML, ALL, NHL.
Leukopenia, thrombocytopenia, megaloblastic anemia.
Term
Dactinomycin
mech
use
tox
Definition
Intercalates in DNA, generates free radicals.
Wilms tumor, Ewings sarcoma, rhabdomyosarcoma. CHILDHOOD TUMORS.
Myelosuppression.
Term
Doxorubicin (Adriamycin)
mech
use
tox
Definition
Generates free radicals. Intercalates DNA. Inhibits topoisomerase II.
Hodgkins lymphoma, myelomas, sarcomas, solid tumors.
Dilated cardiomyopathy, myelosuppression, alopecia. Extravasation hazard.
Term
Bleomycin
Mech
Use
Tox
Definition
Free radical formation.
Testicular cancer, Hodgkin's lymphoma.
Pulmonary fibrosis, skin changes. *minimal myelosuppression.
Term
Etopside
mech
use
tox
Definition
Inhibits topoisomerase II.
SCLC, prostate, testicular cancer.
Myelosuppression, GI irritation, alopecia.
Term
Topotecan
mech
use
Definition
Inhibits topoisomerase I
Chemotherapy
Term
Inotecan
mech
use
Definition
Inhibits topoisomerase I
chemotherapy
Term
Cyclophosphamide
mech
use
tox
Definition
Alkylating agent. Covalent interstrand DNA crosslink. Requires liver bioactivation.
NHL, breast, ovary. Immunosuppression.
Myelosuppression. Hemorrhagic cystitis, give with MESNA tp prevent.
Term
Ifosfamide
mech
use
tox
Definition
Alkylating agent. Covalent interstrand DNA crosslink. Requires liver bioactivation.
NHL, breast, ovary. Immunosuppression.
Myelosuppression.
Term
Carmustine
mech
use
tox
Definition
Nitrosurea: DNA interstrand crosslinking.
Requires activation; enters CNS.
Brain tumors.
Dizziness, ataxia.
Term
Lomustine
Definition
Nitrosurea: DNA interstrand crosslinking.
Requires activation; enters CNS.
Brain tumors.
Dizziness, ataxia.
Term
Semustine
Definition
Nitrosurea: DNA interstrand crosslinking.
Requires activation; enters CNS.
Brain tumors.
Dizziness, ataxia.
Term
Streptozocin
Definition
Nitrosurea: DNA interstrand crosslinking.
Requires activation; enters CNS.
Brain tumors.
Dizziness, ataxia.
Term
Busulfan
Definition
Alkylates DNA
CML. Pre-BMT ablation.
Pulmonary fibrosis, hyperpigmentation.
Term
Vinchristine
Definition
Microtubule inhibitor. Binds tubulin, M phase cannot continue.
Hodgkins, Wilms, choriocarcinoma.
*Peripheral neurotoxicity (areflexia, peripheral neuritis, paralytic ileus).
Term
Vinblastine
Definition
Microtubule inhibitor. Binds tubulin, M phase cannot continue.
Hodgkins, Wilms, choriocarcinoma.
*Bone marrow suppression.
Term
Paclitaxel and other -taxols
Definition
STABILIZE microtubules, block M-phase.
Ovary, breast.
Myelosuppression, hypersensitivity.
Term
Cisplatin
Definition
Cross-link DNA (C for crosslink)
Test, bladder, ovary, lung
Nephrotoxicity, acoustic nerve damage (can't pee, can't hear a high C)
Use Amifostine to protect from nephrotoxicity, (thiol-based free-radical scavenger), or chloride diuresis (IV saline).
Term
Carboplatin
Definition
Cross-link DNA (C for crosslink)
Test, bladder, ovary, lung
Nephrotoxicity, acoustic nerve damage (can't pee, can't hear a high C)
Use Amifostine to protect from nephrotoxicity, (thiol-based free-radical scavenger), or chloride diuresis (IV normal saline).
Term
Hydroxyurea
Definition
Inhibit ribonucleotide reductase, inhibit DNA synth
melanoma, CML, sickle cell disease (increases HbF)
Myelosuppression, GI upset
Term
Tamoxifen
Definition
Selective Estrogen Receptor Modifier - antagonist in breast, agonist in bone.
Breast cancer, osteoporosis.
May increase endometrial carcinoma risk via partial agonist effects. Hot flashes.
Term
Raloxifene
Definition
Selective Estrogen Receptor Modifier - antagonist in breast, agonist in bone.
Breast cancer, osteoporosis.
Endometrial antagonist, no endometrial carcinoma risk (vs. Tamoxifen)
Term
Trastuzumab
Definition
aka Herceptin
Antibody to HER-2 receptor (erb-B2 gene).
BrCa with HER-2 expression.
Cardiotoxic.
Term
Imatinib
Definition
aka Gleevec
Inhibits bcr-abl (philadelphia chromosome tyr kinase receptor)
CML, GI stromal tumors
Fluid retention
Term
Nilotinib
Definition
aka Gleevec
Inhibits bcr-abl (philadelphia chromosome tyr kinase receptor)
CML, GI stromal tumors
Fluid retention
Term
Rituximab
Definition
Antibody to CD20
NHL, rheumatoid arthritis (with methotrexate)
Term
Celecoxib
Definition
Selective COX-2 inhibitor
Avoids normal NSAID adverse effects of GI ulceration, and inhibited platelet aggregation - purely anti-inflammatory.
However, long-term use linked to increased thrombotic risk, which may be due to decrease production of prostacyclin.
Term
Gardos channel blockers
Definition
Block calcium-dependent potassium channels (Gardos) on RBCs. Prevent cellular dehydration, heme polymerization.
For sickle cell anemia.
Term
Diclofenac
Definition
Traditional NSAID; reversible non-selective COX inhibitor.
Term
Ketorolac
Definition
Tradiational NSAID; reversibly inhibits COX, non-selective
Term
Piroxicam
Definition
Tradiational NSAID; non-selective, reversible COX inhibition
Term
Folinic acid
Definition
AKA leucovorin
For methotrexate rescue
Term
Capecitabine
Definition
Prodrug; converted to 5-FU in tumor.
CRC, breast
Cardiotoxic, dermatitis, GI, myelosuppression, thrombocytopenia
Term
Gemcitabine
Definition
deoxycytidine analog; causes DNA synthesis stop
lung, pancreas, bladder, breast
Fever, fatigue, N/V, rash, hair loss, sores
Term
Fludarabine
Definition
Purine analog
Effective for CLL
Lymphopenia, anemia, thrombocytopenia
Term
Cladribine
Definition
Purine analog (adenosine); adenosine deaminase resistant.
Hairy cell leukemia
Fever; otherwise well tolerated
Term
Dacarbazine
Definition
Methylating agent; requires hepatic activation.
Melanoma, lymphomas, sarcoma.
N/V, myelosupression, sterility
Term
Cyclosporine
Mech?
Use?
Tox?
Definition
Binds cyclophilins. Complex inhibits calcineurin, prevents IL-2 and IL-2R production, prevents Tcell differentiation/activation
Suppress organ rejection; some autoimmune dz
Viral infections, lymphoma; *nephrotoxic (mannitol diuresis)
Term

Tacrolimus

aka?

Mech?

Use?

Tox?

Definition

aka FK506

Similar to cyclosporine; binds FK-binding protein, prevents IL-2 and other cytokine secretion

Organ transplants

Significant - nephrotoxic, peripheral neuropathy, HTN, pleural effusion, hyperglycemia

Term
Sirolimus
aka?
Mech?
Use?
Tox?
Definition
aka Rapamycin
Binds mTOR, inhibits T-cell prolif in response to IL-2
Immunosuppression after kidney trsplt w/ cyclosporine
Hyperlipidemia, thrombocytopenia, leukopenia
Term
Daclizumab
Mech?
Definition
Mab for IL-2 receptors on activated T-cells
Term
Azathioprine
Mech?
Use?
Tox?
Definition
Precursor of 6-mercaptopurine; toxic to proliferating lymphocytes
Kidney trsplnt, autoimmune disorders (GN, hemolytic anemia)
Bone marrow suppression. Xanthine oxidase metabolises 6-mp, so allopurinol may increase tox
Term
Muromonab-CD3
aka?
Mech?
Use?
Tox?
Definition
aka OKT3
Mab to CD3 (epsilon chain) on T cells. Blocks signal transduction.
Kidney trsplt
Cytokine release syndrome, hypersensitivity rxn
Term
Aldesleukin
aka?
Use?
Definition
aka recombinant IL-2
Renal cell ca, melanoma
Term
Erythropoietin
Use?
Definition
Anemias, esp. in renal failure
Term
Filgrastim
aka?
Use?
Definition
aka recombinant G-CSF
bone marrow recovery
Term
Sargramostim
aka?
Use?
Definition
aka recombinant GM-CSF
Bone marrow recovery
Term
alpha-IFN
use?
Definition
HBV, HCV, Kaposi's sarcoma, leukemias, melanoma
Term
beta-IFN
use?
Definition
MS
Term
gamma-IFN
use?
Definition
CGD
Term
Oprelvekin
aka?
Use?
Definition
aka recombinant IL-11
Thrombocytopenia
Term
Thrombopoietin
use?
Definition
thrombocytopenia
Term
Digoxin Immune Fab
Use?
Definition
Antidote for digoxin poisoning
Term
Infliximab
Mech?
Use?
Tox?
Definition
TNF-alpha mab
Chron's, RA, psoriasis, ankylosing spondylitis
Granulomatous infections - do PPD first
Term
Adalimumab
Mech?
Use?
Tox?
Definition
TNF-alpha mab
Chron's, RA, psoriasis
Granulomatous infxn - check PPD first
Term
Abciximab
Mech?
Use?
Definition
mab to platelet glycoprotein IIB/IIIa
Unstable angina, percutaneous coronary interventions
Term
Trastuzumab
aka?
Mech?
Use?
Definition
aka Herceptin
mab to erb-B2
use for HER-2 expressing breast ca
Term
Rituximab
Mech?
Use?
Definition
mab to CD20
B-cell non-Hodgkin's lymphoma
Term
Acitretin
Definition
Synthetic retinoid; promotes cellular differentiation, immunomodulatory effects, anti-tumor effects
Psoriasis
*has 2-day halflife, but can be metabolized to Etretinate (discontinued drug) which has 120-day halflife and similar effects.
*severe teratogen - must be on contraceptives for at least 2 years! because of Etretinate halflife
Term
Calcipotriol
Definition
Vitamin D analog
topical treatment of psoriasis
Term
Antibiotics
Mechanism of action:
Block cell wall synthesis by inhibition of peptidoglycan cross-linking
Definition
Penicillin, ampicillin, ticarcillin, piperacillin, imipenem, aztreonam, cephalosporins
Term
ABx
Mech
Block peptidoglycan synthesis
Definition
Bacitracin, Vancomycin
Term
Abx
Mech
Disrupt bacterial cell membranes (detergent)
Definition
polymyxins
Term
Abx
Mech
Block nucleotide synthesis (folate pathway)
Definition
sulfonamides (ex. sulfamethoxazole), trimethoprim
Term
Abx
Mech
Block topoisomerases
Definition
fluoroquinalones
Term
Abx
Mech
block mRNA synthesis
Definition
rifampin
Term
Abx
Mech
block protein synthesis at 50S subunit
Definition
chloramphenicol, macrolides, clindamycin, streptogramins (quinupristin, dalfopristin), linezolid
Term
Abx
Mech
Block protein synth at 30S subunit
Definition
aminoglycosides, tetracyclines
Term
Abx Mech Free radical generation, cause DNA breaks
Definition
metronidazole, nitrofurantion
Term
Bacteriostatic antibiotics
Definition
ECSTaTIC
Erythromycin, Clindamycin, Sulfamethoxazole, Trimethoprim, Tetracyclines, Cloramphenicol
(generally, stop protein or DNA synth)
Term
Bacteriocidal Abx
Definition
Very Finely Proficient At Neat Cell Murder Vancomycin, Fluoroquinolones, Penicillin, Aminoglycosides, Nitrofurantoin, Cephalosporins, Metronidazole (any that damage DNA or cell wall, EXCEPT aminoglycosides - weird ones that are cidal anyway)
Term
Penicillin
Mech
Uses
Tox
Definition
bind PBPs, block transpeptidase cross-linking of cell wall, activate autolytic enzymes
Gram-positive organisms and spirochetes.
Hypersensitivity, hemolytic anemia.
Term
Penicillinase-resistant penicillins Mech Uses Tox
Definition
Methicillin, nafcillin, oxacillin, cloxacillin, dicloxacillin Same as penicillin, bulkier R group gives resistance. S. aureus, except MRSA (altered target site) Hypersensitivity. Methicillin: interstitial nephritis.
Term
Aminopenicillins
Mech
Uses
Tox
Definition
Ampicillin, amoxicillin
Same as penicillin. Wide spectrum but penicillinase sensitive. Combine with beta-lactamase inhibitors.
AmOxicillin has greater Oral bioavail.
Gram-positive and some gram-negs (Hflu, Ecoli, Listeria, Proteus, Salmonella, enterococci) HELPS
Hypersensitivity, ampicillin rash, pseudomem. colitis.
Term
Antipseudomonals
Mech
Uses
Tox
Definition
Ticarcillin, carbenicillin, piperacillin (TCP: takes care of pseudomonas)
Same as penicillin, extd. spectrum. Need beta-lactamase inhibitor.
Pseudomonas spp. and other gram negs.
Hypersensitivity.
Term
Beta-lactamase inhibitors
Mech
Uses
Tox
Definition
Clavulanic acid, sulbactam, tazobactam
Inhibit beta-lactamase (penicillinase).
Use with sensitive penicillin Abx.
Term
Cephalosporins: 1st gen
Mech
Uses
Tox
Definition
Cefazolin, cephalexin
same as penicillin, b-lactamase resistant. Cidal.
gram-pos cocci, Proteus mirabilis, E. coli, Klebsiella (PEcK)
Hypersensitivity (cross with penicillin in 5-10%), vit. K deficiency, increased nephrotoxicity with aminoglycosides.
Term
Cephalosporins: 2nd gen
Mech
Uses
Tox
Definition
Cefotoxin, Cefaclor, Cefuroxime
same as penicillin, b-lactamase resistant. Cidal.
gram pos cocci, H flu, Enterobacter, Neisseria, Proteus, Ecoli, Klebsiella, Serratia (HEN PEcKS).
Hypersensitivity (cross with penicillin in 5-10%), vit. K deficiency, increased nephrotoxicity with aminoglycosides. Disulfram-like effect.
Term
Cephalosporins: 3rd gen Mech Uses Tox
Definition

Ceftriaxone, Cefotaxime, Ceftazidime. Same as penicillin, b-lactamase resistant.

Better CSF distribution than previous gens.

Serious gram neg infxns.

Ceftriaxone: meningitis, gonorrhea

Ceftazidime: Pseudomonas.

Hypersensitivity (cross with penicillin in 5-10%), vit. K deficiency, increased nephrotoxicity with aminoglycosides.

Term
Cephalosporins: 4th gen
Mech
Uses
Tox
Definition
Cefepime
Same as penicillins, b-lactamase resistant. Cidal.
IV only. Good CSF dist. More lactamase resistant.
Better activity against Pseudomonas.
Term
Aztreonam
Mech
Uses
Tox
Definition
Monobactam. Similar to penicillin. B-lactamase resistant.
Gram Neg Aerobes Only.
Less toxic. For renal failure pts. No cross-rxn with penicillins/cephalosporins.
Term
Meropenem
Mech
Uses
Tox
Definition
A carbapenem. Same as penicillins. B-lactamase resistant.
IV only. Broad-spec, CSF penetration with inflammed meninges. Tox = last resort.
GI distress, skin rash, CNS probs/seizures.
Term
Imipenem
Mech
Use
Tox
Definition
A carbapenem. Same as penicillins. B-lactamase resistant.
IV only. Broad-spec, CSF penetration with inflammed meninges. Tox = last resort.
ALWAYS GIVE with Cilastatin: prevent inactivation in renal tubules by renal dihydropeptidase I.
GI distress, skin rash, CNS probs/seizures.
Term
Vancomycin
Mech
Use
Tox
Definition
Bind D-ala D-ala portion of cell wall precursors. Resistance: change to D-ala D-lac
Gram positive only. Multidrug resistant organisms. No CSF distribution.
Nephrotoxicity, Ototoxicity, Thrombophlebitis. Flushing: "red man" - prevent with antihistamines.
Term
Aminoglycosides
Mech
Use
Tox
Resistance
Definition
Gentamicin, Neomycin, Amikacin, Tobramycin, Streptomycin (GNATS)
Inhibit formation of initiation complex (30S), cause mRNA misreads. Require O2. Cidal.
Gram-neg aerobes only: Pseudomoas, Enterobacter, Klebsiella. Synergy with b-lactams. Neomycin for bowel surgery. Endocarditis.
Nephrotoxicity (esp. w/ cephalosporins), Ototoxicity (esp. w/ loop diuretics). Teratogen. Acute muscle paralysis.
Enzymatic alteration of drug: acetylation, phosphorylation, adenylation. Ribosomal alteration. Biofilm formation.
Term
Gentamicin
class?
Definition
Aminoglycoside
Term
Neomycin
class?
special uses?
Tox?
Definition
Aminoglycoside
Topical mostly (neosporin), not absorbed from GI tract.
Can be used to clear bowels (e.g. bowel surg prep).
Very nephro and ototoxic
Term
Amikacin
class?
special use?
special resistance?
Definition
Aminoglycoside
most broad spectrum
sterically blocks enzymatic alteration (adenylation, acetylation, phosphorylation)
Term
Tobramycin
class?
special use?
Definition
aminoglycoside
may be better against Pseudomonas
Term
Streptomycin
Class?
Special use?
Definition
Aminoglycoside
First TB drug, but monotherapy --> resistance.
Term
Linezolid
Mech
Use
Tox
Definition
Blocks formation of initiation complex (30S + 50S). Static.
Backup for MDROs.
Headache, hematologic toxicity, serotonergic toxicity, peripheral or optic neuropathy.
Term
Tetracyclines
Mech
Use
Tox
Resist
Definition
Tetracycline, doxycycline, demeclocycline, minocycline.
Bind 30S and precent tRNA attachment. Little CSF. Static.
Cannot take with milk, antacids, or iron: bind divalent cations and inhibit gut absorption.
Borrelia, H. pylori, Mycoplasma. Broad spec. Has intracellular penetration: Rickettsia, Chlamydia.
GI distress, discoloration of teeth, inhibition of bone growth, photosensitivity, CI for pregnancy.
Resistance by efflux.
Term
Doxycycline
class?
special use?
Definition
Tetracycline
Hepatic elimination - OK for renal failure
For Rickettsial disease
Term
Demeclocycline
class?
special use?
Definition
Tetracycline
ADH antagonist - use as diuretic in SIADH.
Term

Macrolides

Mech Use Tox Resist

Definition

Erythromycin, Azithromycin, Clarithromycin (ACE) Bind 23s rRNA of 50S subunit. Static.

STDs, URIs, Atypical pneunomia (USA!) gram+ cocci, Neisseria.

Prolonged QT interval (esp. Eryth), GI discomfort, acute cholestatic hepatitis, eosinophilia, skin rashes. P450 inhibition (esp. Eryth).

Methylation of 23S rRNA binding site.

Term
Erythromycin
class?
special use?
special toxicity?
special resistance?
Definition
Macrolide
can be used as motillin analog.
Prolonged QT interval, P450 inhibition, severe GI distress.
Efflux resistance, in addition to 50S methylation.
Term
Cloramphenicol
Mech
Use
Tox
Resist
Definition
Inhibits 50S peptidyltransferase. Static.
Hepatic metabolism.
Meningitis (Hflu, Neisseria, S. pneumo). Mycoplasma, chlamydia.
Severe: anemia, aplastic anemia, "gray baby" (undeveloped UDP-glucuronyl transferase).
Plasmid encoded acetyltransferase
Term
Clindamycin Mech Use Tox Resist
Definition

Binds 50S subunit. Static. Anaerobes (B. fragilis, C. perfringens) in aspiration pneumonia/lung abscess (anaerobes above diaphragm). No good for gram-neg anaerobes, UTIs.

Psedomem. colitis, fever, diarrhea. Neuromuscular block (Myasthenia Gravis CI).

50S methylation (like macrolides).

Term
Daptomycin
Mech
Use
Tox
Definition
Binds membranes in calcium depd. manner, depolarizes. Sialyc acid (human) repels.
IV only. Cidal. For MDROs. No CSF entry.
GI irritation, despite IV! Elevated creatinine, muscle weakness)
Term
Sulfonamides Mech Use Tox Resist
Definition

Sulfamethoxazole (SMX), Sulfisoxazole, Sulfadiazine

PABA analog, comp. inhibit dihydropteroate synthetase.

Gram+or-, Nocardia, Chlamydia. Simple UTIs.

Hypersensitivity, *hemolysis with G6PD def., nephrotoxicity, *photosensitivity, kernicterus, *displacement from albumin (e.g. Warfarin), P450 inhibition.

Altered enzyme, increased PABA synth, low uptake.

Term
Trimethoprim
Mech
Use
Tox
Definition
Trimethoprim (TMP)
Inhibits bacteria DHFR. Static.
Synergy with SMX. Recurrent UTIs, Shigella, Salmonella, *PCP pneumonia prophylaxis.
Megaloblastic anemia, leukopenia, granulocytopenia. Rescue with leucovorin (folinic acid).
Term
Sulfa allergy drugs?
Definition
SULFA? Not for FAT Pro Celeb!
Sulfonamides
sulfasalazine
sulfonylureas
furosemide
acetazolamide
thiazide diuretics
probenecid
celecoxib
Term
Nitrofurantoin
Mech
Use
Tox
Definition
Reduction in bacteria makes reactive metabolites, DNA damage. Cidal.
Tx or prophylaxis of UTIs.
GI disturbance, G6PD deficient --> anemia, Pulmonary rxns, hypersensitivity, headache, vertigo, neuropathies.
Term
Fluoroquinolones
Mech
Use
Tox
Resist
Definition
Ciprofloxacin, Norfloxacin, Ofloxacin, Sparfloxacin, Moxifloxacin, Gatifloxacin, Enoxacin, nalidixic acid (a quinolone).
Inhibit DNA topoisomerase II - dsDNA breaks. Cidal.
Cannot take with mild/antacids/iron: divalent cations inhibit absorption (like tetracyclines).
Gram-and+, intracellular. Not for anaerobes. UTIs, resp. infxn, diarrhea, osteomyelitis. Pseudomonas, Neisseria.
GI upset, superinfections, skin rash, headache, dizziness. *Damage to cartilage, tendons: CI in pregnancy and children.
Mutation in DNA topoisomerase II.
Term
Ciprofloxacin
class?
special use?
Definition
fluoroquinolone
excellent lung tissue penetration -> resp. infxns.
Term
Metranidazole
Mech
Use
Tox
Definition
Free radical toxic metabolites, damage DNA. Cidal.
*Anti-protozoal. Giardia, Entamoeba, Trichomonas, Gardnerella vaginalis, Anaerobes, H. pylori (GET GAP).
Disulfiram rxn with EtOH, metallic taste, headache. (Inhibits P450?)
Term
Polymixins
Mech
Use
Tox
Definition
Polymixin B, colistimethate (polymixin E)
Detergents, disrupt cell membrane.
Resistant gram-neg infxn.
Neurotoxicity, acute renal tubular necrosis.
Term
M. tuberculosis
Prophylaxis?
Tx?
Definition
Pro: INH
Tx: Rifampin, INH, Pyrazinamide, Ethambutol, Streptomycin (RIPES)
Term
M. avium-intracellulare
Prophylaxis?
Tx?
Definition
Pro: Azithromycin
Tx: Azithromycin, rifampin, ethambutol, streptomycin
Term
M. leprae
Tx?
Definition
Dapsone, rifampin, clofazimine
Term
Isoniazid Mech Use Tox
Definition

Inhibit mycolic acid synthesis.

Bacterial catalase-peroxidase needed to activate.

N-acetylated: bimodal half-life.

M. tuberculosis only - Tx and prophylaxis. Neurotoxicity, hepatotoxicity, drug-induced lupus, inhibits P450.

Depletes B6 - pyridoxine (B6) can prevent neurotoxicity, lupus.

Term
Rifampin Mech Use Tox
Definition
Inhibits DNA-dependent RNA polymerase. M. tuberculosis with other drugs, M. leprae to delay resistance to dapsone. Meningoccocal prophylaxis, H. flu prophylaxis for contacts. Minor hepatotoxicity; induces P450; red/orange bodyfluids (4Rs: RNA polymerase inhibitor, Ramps up P450, Red/orange body fluids, Rapid resistance if used alone)
Term
Prophylaxis for meningococcal infection?
Definition
Rifampin, minocycline
Term
Prophylaxis for gonorrhea?
Definition
Ceftriaxone
Term
Prophylaxis for syphilis?
Definition
Benzathine penicillin G
Term
Prophylaxis for recurrent UTIs?
Definition
TMP-SMX
Term
Prophylaxis for Pneumocystis pneumonia in AIDS?
Definition
TMP-SMX (1st choice), aerosolized pentamidine
Term
Prophylaxis for endocarditis with surgical/dental procedures? (controversial?)
Definition
Penicillins
Term
Prophylaxis for Mycobacterium avium-intracellulare?
Definition
Azithromycin
Term
Treatment for MRSA?
Definition
Vancomycin
Term
Treatment for VRE?
Definition
linezolid, streptogramins (quinupristin/dalfopristin)
Term
Amphotericin B
Mech
Use
Tox
Definition
Binds ergosterol; forms membrane pores.
Serious, systemic mycoses. Does not enter CSF; can use intrathecally for fungal meningitis.
Fever/chills, hypoTN, nephrotox (increased distal tubule permeability, increased serum K and Mg), arrythmias, anemia, IV phlebitis. Hydration to reduce nephrotoxicity. Liposomal amphotericin to reduce overall toxicity.
Term
Nystatin
Mech
Use
Definition
Same as amphotericin B
Topical only - too toxic! Can use for GI tract too, not absorbed. Oral candidiasis, vaginal candidiasis, diaper rash.
Term
Azoles
Mech
Use
Tox
Definition
Fluconazole, ketoconazole, clotrimazole, miconazole, itraconazole, voriconazole
Inhibit ergosterol synthesis, by inhibiting P450 enzyme: lanosterol-->ergosterol.
Systemic mycoses.
Hormone synthesis inhibition (gynecomastia), P450 inhibition, fever/chills.
Term
Fluconazole
Class?
Use?
Definition
Azole
Cryptococcal meningitis in AIDS (enters CSF), candidal infections.
Term
Ketoconazole
Class?
Uses?
Tox?
Definition
Azole
Blastomyces, Coccidiodes, Histoplasma (environmental mycoses), Candida. Also use for hypercortisolism: inhibits steroid hmn synth.
Gynecomastia is particular toxicity.
Term
Clotrimazole and miconazole
Class?
Use?
Definition
Azoles
Topical fungal infections
Term
Flucytosine
Mech?
Use?
Tox?
Definition
Inhibits DNA synth by conversion to 5-FU.
Systemic fungal infections along with Amphotericin B.
Nausea, vomiting, diarrhea, *bone marrow suppression.
Term
Caspofungin Mech? Use? Tox?
Definition

Inhibits beta-glucan synthesis, a cell wall carbohydate.

Invasive aspergillosis

GI upset, flushing

Term
Terbinafine
Mech?
Use?
Tox?
Definition
Inhibit fungal squalene epoxidase, ultimately inhibiting ergosterol synthesis.
Use for dermatophytoses, esp. onychomycosis (finger or toenail infxn)
Term
Griseofulvin Mech? Use? Tox?
Definition
Interfere with microtubule formation; disrupt mitosis. Deposits in keratin containing tissue (e.g. nails). Oral drug for superficial infections; inhibits growth of dermatophytes (tinea, "ringworm"). Teratogenic, carcinogenic, confusion, headaches. P450 inducer.
Term
Which Abx classes *generally* have good intracellular activity?
Definition
Macrolides
Fluoroquinolones
Chloramphenicol
Term
Which drugs/classes *generally* have good activity against anaerobes?
Definition
Clindamycin
Metronidazole
Carbapenems
Term
Which drugs/classes are effective against aerobes only?
Definition
Aminoglycosides
Aztreonam
~Fluoroquinolones (not great against anaerobes)
Term
Which drugs generally work against gram + only?
Definition
Penicillins
Macrolides
~Clindamycin (not effective on Gram - aerobes [E. coli])
Early generation Cephalosporins
Term
Which drugs generally work against gram - only?
Definition
Aztreonam
Aminoglycosides
Term
Which drugs enter CSF well?
Definition
Later gen. Cephalosporins
Carbapenems (when meninges inflammed)
Linezolid
Sulfonamides
Trimethoprim
Acyclovir/Ganciclovir
Anti-tuberculosis
Fluconazole
Zidovudine
Nevirapine
Term
Pyrimethamine
Use?
Mechanism?
Tox?
Definition
Anti-protozoan; best for P. falciparum, toxoplasmosis with sulfadiazine.
Inhibits plasmodial DHFR.
Not for pregnant women; give with folinic acid.
Term
Suramin
Use?
Mechanism?
Definition
Antiprotozoan; no CNS entry.
Inhibits energy metabolism enzymes.
Term
Melarsoprol
Use?
Mechanism?
Definition
Antiprotozoan; +CSF entry.
Inhibits sulfhydryl groups in parasite enzymes.
Term
Nifurtimox Use? Mechanism?
Definition

Antiprotozoan (Chagas dz)

Forms oxygen free radicals

Term
Sodium stibogluconate Use? Mechanism?
Definition

Antiprotozoan (Leishmaniasis)

Inhibits glycolysis at PFK reaction

Term
Chloroquine
Use?
Mechanism?
Definition
Antiprotozoan; Chloroquine sensitive malaria.
Blocks plasmodium heme polymerase, accumulation of toxic hemoglobin breakdown products.
Term
Primaquine
Use?
Mechanism?
Definition
Antiprotozoan; kills latent malaria parasites in hepatocytes (vivax, ovale), prevents reactivation.
Same as chlorquine - use with chloroquine or quinine plus doxycycline for vivax, ovale.
Term
Mebendazole/Albendazole
Use?
Mechanism?
Definition
Antihelminthic
All intestinal helminths (trichonosis, strongyloides, nematodes, tapeworms/cestodes)
Inhibit glucose uptake and microtuble synth
Term
Pyrantel pamoate
Use?
Mechanism?
Definition
Antihelminthic; *No effect on tapeworms or flukes.
Stimulates nicotinic receptors --> contraction --> depolarization paralysis.
Term
Ivermectin
Use?
Mechanism?
Definition
Antihelminthic; "filarial" infections: lymphatic filariasis, onchocerciasis, loa loa
Intensifies GABA neurotransmission, immobilizes. No CNS entry, no effect on humans.
Term
Praziquantel
Use?
Mechanism?
Definition
Antihelminthic; tapeworms and flukes.
Increases membrane permeability to calcium, causing contraction and paralysis.
Term
Amantidine/Rimantidine
Mech
Use
Tox
Resist
Definition
Blocks M2 ion channel; virus can not decoat in vesicle.
Amantidine: Prophylaxis and tx for Influenza A only. Parkinson's Dz (affects catechol synth). Rimantidine does not cross BBB, fewer CNS SEs.
Ataxia, dizziness, slurred speech.
Mutated M2 protein, 90% of influenza A now resistant (rarely used anymore.)
Term
Zanamivir, Oseltamivir, Pirimivir Mech Use Tox Resist
Definition
Inhibit neuraminidase, progeny virus can't release. Influenza A and B, prevention and shorten course. Zanam: bronchospasm, CI asthma, COPD. Oseltam: mild GI. Mutation of neuraminidase resists Oseltamivir, not Zanamivir currently. Strain dependent.
Term
Ribavirin
Mech
Use
Tox
Definition
Guanine analog, comp. inhibits IMP dehydrogenase.
RSV, chronic HepC
No selectivity for viral enzyme! Hemolytic anemia, severe teratogen. Rarely used.
Term
Acyclovir, Valacyclovir, Famciclovir
Mech
Use
Tox
Resist
Definition
Guanosine analog. Monophosphorylated by viral thymidine kinase. Triphosphate formed by cell enzymes. Pref. inhibits viral DNA polymerase by chain termination. Valacyclovir is valine ester prodrug. Famciclovir is topical form.
HSV, VZV, EBV. HSV lesions and encephalitis. No effect on latent HSV and VZV.
Some nephrotoxicity (precipitation): hydrate!
Mutation/lack in viral thymidine kinase/DNA pol.
Term
Ganciclovir
Mech
Use
Tox
Resist
Definition
Guanosine analog. Phosphorylated by viral kinase. Less selectivity for viral DNA polymerase than acyclovir.
CMV, esp. immunocompromised pts.
Bone marrow: leukopenia, neutropenia, thrombocytopenia. Renal toxicity.
Mutated polymerase, mutated/lack kinase.
Term
Foscarnet
Mech
Use
Tox
Resist
Definition
Pyrophosphate analog. Binds viral DNA polymerase. No activation needed.
CMV retinitis in immunocomp pts when ganciclovir fails; acyclovir-resistant HSV.
Nephrotoxicity. Calcium chelation, low Ca, Mg, seizures.
Mutated DNA polymerase.
Term
Cidofovir
Mech
Use
Definition
Nucleotide analog of cytosine monophosphate. Inhibits viral DNA polymerase. Does not require viral kinase activation.
Use Cidofovir or Foscarnet in kinase-deficient viruses (acyclovir/ganciclovir resistant)
Term
What constitutes a HAART regimen?
Definition
3 drugs (prevent resistance):
2 NucleosideRTIs + 1 Protease inhib.
2 NucleosideRTIs + 1 Non-NucleosideRTI
Term
Protease Inhibitors
Mechanism
Use
Toxicity
Definition
"-navir": Saquinavir, Ritonavir, Indinavir, Nelfinavir, Amprenavir
Inhibit protase (pol gene), cleaves HIV proteins into functional parts.
HIV, can be part of HAART.
Inhibit P450. Hyperglycemia, GI, lipodystrophy, thrombocytopenia (indinavir).
Term
Nucleoside Reverse Transcriptase Inhibitors Mech Use Tox
Definition

NRTIs: Zidovudine (ZDV or AZT), Didanosine (ddI), Zalcitabine (ddC), Stavudine (d4T), Lamudivine, Abacavir.

Chain termination (no 3'-OH). Need activation by host cell thymidine kinases. Selective for viral reverse transcriptase.

2 are always needed as part of HAART! ZDV for prophylaxis, during pregnancy to prevent vertical trans.

Bone marrow suppression, periph neuropathy, lactic acidosis (except abacavir), rash, megaloblastic anemia, lipoatrophy, GI intolerance (ZDV only).

Term
Non-Nucleoside Reverse Transcriptase Inhibitors
Mech
Use
Tox
Definition
Nevirapine, Efavirenz, Declaviridine (Never Ever Deliver nucleosides).
Bind reverse transcriptase, non-competitive inhibition. No kinase activation needed.
HIV, can be part of HAART.
Hypersensitivity (Stevens-Johnson), hepatotoxic, GI. Nevirapine can induce P450.
Term
Zidovudine Class? Special use? Special toxicity?
Definition
Nucleoside Reverse Transcriptase Inhibitor Prophylaxis: general or during pregnancy Megaloblastic anemia, GI upset
Term
Enfuvirtide
Mech
Use
Tox
Definition
Fusion inhibitor. Binds gp41 subunit, prevents fusion with CD4 cells.
Used for HIV failure on HAART.
*Injection site irritation. Hypersensitivity (peptide drug). Increased bacterial pneumonia risk (mech?)
Term
Maraviroc
Mech
Use
Tox
Definition
Non-competitive inhibitor of CCR5, prevents HIV entry.
Used for HIV failure on HAART.
*Hepatotoxicity.
Term
Raltegravir
Mech
Use
Tox
Definition
Inhibits viral integrase, can't insert HIV DNA into genome.
Failure on HAART.
Few toxicities.
Term
Interferons
Mech
Uses
Tox
Definition
IFN-alpha, beta, gamma
Block replication of RNA and DNA viruses.
IFN-a: HepB, HepC, Kaposi's sarcoma (HHV8)
IFN-b: MS
IFN-g: NADPH oxidase def. (CGD)
Neutropenia.
Term
Interferons
Mech
Uses
Tox
Definition
IFN-alpha, beta, gamma
Block replication of RNA and DNA viruses.
IFN-a: HepB, HepC, Kaposi's sarcoma (HHV8)
IFN-b: MS
IFN-g: NADPH oxidase def. (CGD)
Neutropenia.
Term
Antibiotics to avoid during pregnancy?
Toxicity?
Definition
SAFE Moms Take Really Good Care
Sulfonamides - kernicterus
Aminoglycosides - ototoxicity
Fluoroquinolones - cartilage damage
Erythromycin - acute cholestatic hepatitis in mom
(and Clarithromycin - embryotoxic)
Metronidazole - mutagenesis
Tetracyclines - discolored teeth, bone growth inhibition
Ribavirin - teratogenic
Griseofulvin - teratogenic
Chloramphenicol - "gray baby"
Term
Anti-bacterials OK for pregnancy?
Definition
Penicillins, Cephalosporins, Azithromycin, Nitrofurantoin
Term
Pyrazinamide
Mech
Use
Tox
Definition
Converted to pyrazinoic acid by mycobacterial enzyme pyrazinamidase, lowering pH inside bacterium
Anti-tuberculosis
hepatotoxicity
Term
Ethambutol
Mech
Use
Tox
Definition
Inhibit arabinosyl transferase, inhibiting synthesis of mycobacterial cell wall.
Anti-TB
Red/Green colorblindness, optic neuropathy, hepatic toxicity
Term
ASA
Definition
Aspirin (a salicylate)
IRREVERSIBLY inhibits COX by covalent binding. Decreased synthesis of prostaglandins and thromboxane.
Low dose for anti-platelet. Intermediate dose for antipyretic, analgesic. High dose for anti-inflammatory.
NSAID induced gastric ulcer, acute renal failure, interstitial nephritis. Reye's syndrome in children with fever (don't give under 12). Inhibits uric acid secretion (except at very high doses).
Term
Ibuprofen
Definition
NSAID: reversibly inhibit COX.
Antipyretic, analgesic, anti-inflammatory.
Renal damage, fluid retention, aplastic anemia, GI upset, ulcers.
Term
Naproxen
Definition
NSAID: reversibly inhibit COX.
Antipyretic, analgesic, anti-inflammatory.
Renal damage, fluid retention, aplastic anemia, GI upset, ulcers.
Term
Indomethacin
Definition
NSAID: reversibly inhibit COX.
Antipyretic, analgesic, anti-inflammatory. Indomethacin also for PDAs.
Renal damage, fluid retention, aplastic anemia, GI upset, ulcers.
Term
Ketorolac
Definition
NSAID: reversibly inhibit COX.
Antipyretic, analgesic, anti-inflammatory.
Renal damage, fluid retention, aplastic anemia, GI upset, ulcers.
Term
Celecoxib
Definition
COX2 inhibitor (only one left on market in US!)
Anti-inflammatory/analgesic. Patients with gastritis/ulcers, bleeding risk.
Increased thrombosis risk. Sulfa allergy.
Term
Acetaminophen
Definition
aka APAP, Paracetamol, "Tylenol"
Rersible COX inhibitor, mainly in CNS. Inactivated peripherally.
Antipyretic, analgesic, NO ANTI-INFLAMMATORY action. Use to avoid Reye's syndrome in children.
Overdose causes fulminant hepatotoxicity due to glutathione depletion and toxic metabolite formation. Antidote: N-acetylcysteine, regenerates glutathione.
Term
Etidronate
Definition
A bisphosphonate.
Inhibits osteoclast activity; reduces bone resorption, remodeling.
Malignancy associated hypercalcemia, Paget's disease, postmenopause osteoporosis.
Corrosive esophagitis (can't lie down after taking), nausea, diarrhea, rare jaw osteonecrosis.
Term
Pamidronate
Definition
A bisphosphonate.
Inhibits osteoclast activity; reduces bone resorption, remodeling.
Malignancy associated hypercalcemia, Paget's disease, postmenopause osteoporosis.
Corrosive esophagitis (can't lie down after taking), nausea, diarrhea, rare jaw osteonecrosis.
Term
Alendronate
Definition
A bisphosphonate.
Inhibits osteoclast activity; reduces bone resorption, remodeling.
Malignancy associated hypercalcemia, Paget's disease, postmenopause osteoporosis.
Corrosive esophagitis (can't lie down after taking), nausea, diarrhea, rare jaw osteonecrosis.
Term
Risedronate
Definition
A bisphosphonate.
Inhibits osteoclast activity; reduces bone resorption, remodeling.
Malignancy associated hypercalcemia, Paget's disease, postmenopause osteoporosis.
Corrosive esophagitis (can't lie down after taking), nausea, diarrhea, rare jaw osteonecrosis.
Term
Zoledronate
Definition
A bisphosphonate - only one IV!
Inhibits osteoclast activity; reduces bone resorption, remodeling.
Malignancy associated hypercalcemia, Paget's disease, postmenopause osteoporosis.
IV: avoids esophagitis. Nausea, diarrhea, rare jaw osteonecrosis.
Term
Colchicine
Definition
Stabalizes tubulin, prevents microtubule polymerization, inhibits leukocyte chemotaxis and degranulation.
Acute gout (with NSAIDs)
GI side effects.
Term
Probenecid
Definition
Inhibits uric acid reabsorption in PCT.
Chronic gout treatment.
Inhibits penicillin secretion. Sulfa allergy.
Term
Allopurinol
Definition
Inhibits xanthine oxidase, preventing formation of xanthine and uric acid.
Chronic gout treatment. Prevent tumor-lysis associated urate nephropathy.
Raises concentration of azathioprine, 6-MP.
Term
Entanercept
Definition
Recombinant soluble TNF-alpha receptor
RA, psoriasis, ankylosing spondylitis
little toxicity
EtanerCEPT = fake reCEPTor
Term
Infliximab
Definition
TNF-alpha mouse-human chimeric antibody
Chron's, RA, ankylosing spondylitis
Predisposes to latent TB reactivation
INFLIX pain on TNF
Term
Adalimumab
Definition

Anti-TNF fully-human synthetic antibody RA, psoriasis, ankylosing spondylitis Reactivation of latent TB risk

(Adam was first HUMAN)

Term
Opioid analgesics
Mech
Use
Tox
Definition
Morphine, Fentanyl, Codeine, Heroin, Methadone, Merperidine, Dextromethorphan
Agonists at mu opiod receptors, open K channels, close Ca channels, decrease synaptic transmission.
Pain, cough suppression, diarrhea, acute pulmonary edema, maintenance for addicts
Addiction, resp. depression, constipation, miosis, additive CNS depression, sphincter of Oddi tone - pancreatitis. Tolerance does not develop to miosis and constipation.
Treat tox. with naloxone or naltrexone (opiod receptor antagonists)
Term
Meperidine
Class?
Special use?
Definition
Opioid
Less sphincter of Oddi effect - usable in pancreatitis.
Term
Loperamide
Class?
Special use?
Definition
Opioid
Anti-diarrhea (imodium)
Term
Diphenoxylate
Class?
Special use?
Definition
Opioid
Anti-diarrhea
Term
Dextromethorphan
Class?
Special use?
Definition
Opioid
Cough suppressant
Term
Butorphanol
Mech?
Use?
Tox?
Definition
Partial agonist of mu opioid receptors, agonist at kappa receptors,
Pain, less resp. depression than full agonists.
Causes withdrawal if currently on full agonist.
Term
Pentazocine
Mech
Use
Tox
Definition
Partial agonist of mu opioid receptors, agonist at kappa receptors,
Pain, less resp. depression than full agonists.
Causes withdrawal if currently on full agonist.
Term
Buprenorphine
Mech
Use?
Tox?
Definition
Partial agonist of mu opioid receptors, agonist at kappa receptors,
Pain, less resp. depression than full agonists.
Causes withdrawal if currently on full agonist.
Term
Nalbuphine
mech
use
tox
Definition
Partial agonist of mu opioid receptors, agonist at kappa receptors,
Pain, less resp. depression than full agonists.
Causes withdrawal if currently on full agonist.
Term
Dezocine
mech
use
tox
Definition
Partial agonist of mu opioid receptors, agonist at kappa receptors,
Pain, less resp. depression than full agonists.
Causes withdrawal if currently on full agonist.
Term
Tramodol
Mech
Use
Tox
Definition
Very weak opioid agonist; also inhibits 5-HT and NE reuptake.
Chronic pain.
Some opioid toxicity, decreases seizure threshold.
Term
Drugs of choice for tonic-clonic seizures? Mechanism?
Definition

Phenytoin, Carbamazepine, Valproic acid (1st)

Lamotrigine, Topiramate (2nd) Block Na channels

Term
Drugs of choice for partial seizures?
Mechanism?
Definition
Gabapentin, Tigabine, Vigabatin, Levetiracetam, Phenobarbital, Benzodiazepines
All increase GABA action by various mechanisms.
Term
Phenytoin
Mech
Use
Tox
Definition
Na channel inactivation
Tonic-clonic seizures, *prophylaxis/prevent recurrence of status epilepticus, *class IB anti-arrythmic
Nystagmus, diplopia, ataxia, sedation, gingival hyperplasia, hirsuitism, lymphadenopathy, megaloblastic anemia, teratogenesis. Drug induced-SLE, P450 induction. Also P450 metabolized.
Term
Carbamazepine
Mech
Use
Tox
Definition
Na channel inactivation
Tonic-clonic seizures, trigeminal neuralgia.
Diploplia, ataxia, *agranulocytosis, *aplastic anemia, liver toxicity, teratogenesis, P450 induction, SIADH, Stevens-Johnson syndrome.
NB: Oxcarbamazepine: same use, fewer AEs
Term
Lamotrigine
Mech
Use
Tox
Definition
Blockes voltage-gated Na channels
Tonic-clonic seizures
Stevens-Johnson syndrome
Term
Gabapentin
Mech
Use
Tox
Definition
Designed as GABA analog, but mainly blocks Ca channels
Partial seizures, tonic-clonic seizures, peripheral neuropathy, bipolar disorder
Sedation, ataxia
Term
Topiramate
Mech
Use
Tox
Definition
Blocks Na channels, increases GABA action
Partial seizures, tonic-clonic
Sedation, mental dulling, kidney stones, weight loss
Term
Barbituates Mech Use Tox
Definition

Phenobarbital, pentobarbital, thiopental, secobarbital

Increases GABA action by increasing duration of Cl channel opening

Partial seizures, tonic-clonic, *1st line in pregnant women, children.

Anxiety, insomnia, anesthesia induction Sedation, tolerance, dependance, induces P450. Contraindicated in porphyra (stimulate ALA synthase)

Term
Valproic acid
Mech
Use
Tox
Definition
Inactivates NA channels, increases GABA concentration
Tonic-clonic (1st), partial, myoclonic, bipolar disorder, *also tonic-clonic + absence
GI distress,
*rare but fatal hepatotoxicity, neural tube defects (CI: preg), tremor, weight gain.
Term
Ethosuxamide
Mech
Use
Tox
Definition
Blocks thalamic T-type Ca channels
Absence seizures (1st)
GI distress, fatigue, headache (EFGH), uticaria, Stevens-Johnson syndrome
Term
Tigabine
Mech
Use
Definition
Inhibits GABA reuptake
Partial seizures only
Term
Vigabatrin
Mech
Use
Definition
Irreversibly inhibits GABA transaminase, raising [GABA]
Partial seizures only
Term
Levetiracetam
Mech
Use
Definition
Unknown, may modulate GABA and glutamate release
Tonic clonic, partial
Term
Zonisamide
Mech
Use
Definition
Blocks voltage gated Na channels and T-type Ca channels
Partial, Tonic-Clonic, Absence
Term
Felbamate
Mech
Use
Tox
Definition
Blocks glutamate at NMDA
Partial and Tonic-Clonic; less use b/c toxicity
aplastic anemia, hepatotoxicity
Term
Drugs acting on GABA-A receptor?
Definition
Barbituates, benzodiazepines, alcohol.
An ion channel, GABA increases Cl infux.
Term
GABA-B receptor drugs?
Definition
Baclofen (muscle relaxant)
Gi receptor. Inhibits adenylyl cyclase, K efflux, Ca influx.
Term
GABA-C receptor?
Definition
ion channel, allows Cl influx.
No drugs active here.
Term
Benzodiazepines
Mech
Use
Tox
Antidote
Definition
"pams" and "lams": Diazepam, Lorazepam, Triazolam, Temazepam, Oxazepam, Midazolam, Alprazolam &* chlordiazepoxide.
Increase frequency of Cl channel opening at GABA-A receptor.
Anxiety, spasticity, status epilepticus, detoxification (alcohol withdrawal), night terrors (reduces REM sleep), sleepwalking, general anesthetic, hypnotic.
Dependence, additive CNS depression. Less risk of resp. depression and coma than barbituates.
Treat OD with flumazenil (competitive antagonist)
Term
Short acting benzodiazepines?
Definition
Triazolam, Oxazepam, Midazolam (TOM thumb)
Greatest addictive potential.
Term

Nonbenzodiazepine hypnotics

Mech

use

tox

Definition

Zolpidem (ambien), zaleplon, eszopiclone

(ZZZs)

Act on benzodiazepine receptor subtype, reversed by flumazenil.

Insomina.

Ataxia, headaches, confusion. Short duration - hepatic metabolism. Less AEs and dependance than older benzodiazepines.

Term
Inhaled anesthetics
Mech
Effects
Tox
Definition
"fluranes": Halothane, Enflurane, Isoflurane, Sevoflurane, Methoxyflurane, nitrous oxide
Mechanism unknown!
Myocardial depression, resp. depression, nausea/emesis, increased cerebral blood flow, decreased cerebral metabolic demand
*Hepatotoxicity (halothane), nephrotoxicity (methoxyflurane), proconvulsant (enflurane), malignant hyperthermia (tx: dantrolene), expansion of trapped gas (NO2)
Term
Ketamine
Mech
Use
Tox
Definition
PCP analog, blocks NDMA receptor
"dissociative anesthetic". CV stimulant.
Disorientation, hallucination, bad dreams. Increased cerebral blood flow.
Term
Propofol
Mech
Use
Definition
Potentiates GABA
Rapid anesthesia induction for short procedures.
Term
Succinylcholine
Mech
Use
Definition
Depolarizing neuromuscular blocker.
Cannot reverse with cholinesterase inhibitor.
Term
Nondepolarizing neuromuscular blocking drugs
names? mech? reversal?
Definition
"curarines": Tubocurarine, atracurium, mivacurium, pancuronium, vecuronium, rocuronium.
Competitive for ACh receptors.
Reversable with acetylcholinesterase inhibitor
Term
Dantrolene
Mech?
Uses?
Definition
Blocks ryanodine receptor on muscle SR
Used in treatment of malignant hyperthermia, neuroleptic malignant syndrome
Term
Anti-parkinsonian drugs?
Definition
BALSAC
Bromocriptine: dopamine agonist
Amantidine: increase dopamine release
L-DOPA/carbidopa: dopamine precursor
Selegiline: MAO-B inhibitor, prevent dopamine breakdown.
Antimuscarinics: Benztropine, best for drug-induced Parkinsonism
COMT inhibitors: entacapone, tolcapone. Prevent L-DOPA degradation
Term
Memantine
Mech
Use
Tox
Definition
NMDA receptor antagonist; prevents excitotoxicity
Alzheimer's
Dizziness, confusion, hallucination
Term
Donepezil
Mech
Use
Tox
Definition
AChEsterase inhibitor
Alzheimer's
Nausea, Dizziness, insomnia
Term
Galantamine
Mech
Use
Tox
Definition
AChEsterase inhibitor
Alzheimer's
Nausea, Dizziness, insomnia
Term
Rivastigmine
Mech
Use
Tox
Definition
AChEsterase inhibitor
Alzheimer's
Nausea, Dizziness, insomnia
Term
Sumatriptan
Mech
Use
Tox
Definition
5-HT-1B/1D antagonist. Vasoconstriction, inhibition of trigeminal activation and vasoactive peptide release. Halflife < 2hrs.
Acute migraine, cluster headaches.
Coronary vasospasm, (CI: CAD, Prinzmetals) mild tingling
Term
Dopamine agonists?
Use?
Classes?
Definition
Ergot: Bromocriptine, Pergolide
Nonergot: Pramipexole, Ropinerole
Parkinson's disease, (Bromo: Prolactinoma)
Term
Methylphenidate
Mech
Use
Tox
Definition
CNS stimulant, increases catecholamines at synaptic cleft, esp. NE and dopamine
ADHD, narcolepsy, appetite control
Myosis, prolonged wakefullness, delusions, hallucinations, fever.
Term
Dextroamphetamine
Mech
Use
Tox
Definition
CNS stimulant, increases catecholamines at synaptic cleft, esp. NE and dopamine
ADHD, narcolepsy, appetite control
Myosis, prolonged wakefullness, delusions, hallucinations, fever.
Term
Mixed amphetamine salts
Mech
Use
Tox
Definition
CNS stimulant, increases catecholamines at synaptic cleft, esp. NE and dopamine
ADHD, narcolepsy, appetite control
Myosis, prolonged wakefullness, delusions, hallucinations, fever.
Term
Haloperidol
Mech
Use
Tox
Definition
Typical antipsychotic, blocks dopamine D2 receptors (increasing cAMP).
HIGH POTENCY = greater EPS effects.
Schizophrenia (+ sx), psychosis, acute mania, Tourette's
Lipid storage, slow removal. Extrapyramidal side effects. Hyperprolactinemia. Antimuscarinic, antiadrenergic, antihistamine effects. Neuroleptic malignant syndrome (FEVER). Tardive dyskinesia.
Term
Trifluoperazine
Mech
Use
Tox
Definition
Typical antipsychotic, blocks dopamine D2 receptors (increasing cAMP).
HIGH POTENCY = greater EPS effects.
Schizophrenia (+ sx), psychosis, acute mania, Tourette's
Lipid storage, slow removal. Extrapyramidal side effects. Hyperprolactinemia. Antimuscarinic, antiadrenergic, antihistamine effects. Neuroleptic malignant syndrome (FEVER). Tardive dyskinesia.
Term
Fluphenazine
Mech
Use
Tox
Definition
Typical antipsychotic, blocks dopamine D2 receptors (increasing cAMP).
HIGH POTENCY = greater EPS effects.
Schizophrenia (+ sx), psychosis, acute mania, Tourette's
Lipid storage, slow removal. Extrapyramidal side effects. Hyperprolactinemia. Antimuscarinic, antiadrenergic, antihistamine effects. Neuroleptic malignant syndrome (FEVER). Tardive dyskinesia.
Term
Thioridazine
Mech
Use
Tox
Definition
Typical antipsychotic, blocks dopamine D2 receptors (increasing cAMP).
LOW POTENCY = greater anti-muscarinic, -adrenergic, -histamine AEs.
Schizophrenia (+ sx), psychosis, acute mania, Tourette's
Lipid storage, slow removal. Extrapyramidal side effects. Hyperprolactinemia. Antimuscarinic, antiadrenergic, antihistamine effects. Neuroleptic malignant syndrome (FEVER). Tardive dyskinesia.
*Retinal deposits
Term
Chlorpromazine
Mech
Use
Tox
Definition
Typical antipsychotic, blocks dopamine D2 receptors (increasing cAMP).
LOW POTENCY = greater anti-muscarinic, -adrenergic, -histamine AEs.
Schizophrenia (+ sx), psychosis, acute mania, Tourette's
Lipid storage, slow removal. Extrapyramidal side effects. Hyperprolactinemia. Antimuscarinic, antiadrenergic, antihistamine effects. Neuroleptic malignant syndrome (FEVER). Tardive dyskinesia.
*Corneal deposits.
Term
Olanzapine
Mech
Use
Tox
Definition
Atypical antipsychotic. Blocks 5-HT2, dopamine, alpha, and H1 receptors.
Schizophrenia, positive AND negative sx.
Olanzapine: OCD, anxiety, depression, mania, Tourette's
Fewer EPS and anticholinergic AEs than typicals. Olanzapine: Weight gain.
Term
Clozapine
Mech
Use
Tox
Definition
Atypical antipsychotic. Blocks 5-HT2, dopamine, alpha, and H1 receptors.
Schizophrenia, positive AND negative sx.
Fewer EPS and anticholinergic AEs than typicals. Clozapine: AGRANULOCYTOSIS, weight gain.
Term
Quetiapine
Mech
Use
Tox
Definition
Atypical antipsychotic. Blocks 5-HT2, dopamine, alpha, and H1 receptors.
Schizophrenia, positive AND negative sx.
Fewer EPS and anticholinergic AEs than typicals.
Term
Risperidone
Mech
Use
Tox
Definition
Atypical antipsychotic. Blocks 5-HT2, dopamine, alpha, and H1 receptors.
Schizophrenia, positive AND negative sx.
Fewer EPS and anticholinergic AEs than typicals.
Term
Aripiprazole
Mech
Use
Tox
Definition
Atypical antipsychotic. Blocks 5-HT2, dopamine, alpha, and H1 receptors.
Schizophrenia, positive AND negative sx.
Fewer EPS and anticholinergic AEs than typicals.
Term
Ziprasidone
Mech
Use
Tox
Definition
Atypical antipsychotic. Blocks 5-HT2, dopamine, alpha, and H1 receptors.
Schizophrenia, positive AND negative sx.
Fewer EPS and anticholinergic AEs than typicals.
Term
Lithium
Mech
Use
Tox
Definition
Not established; inhibit IP3 cascade?
Bipolar disorder, SIADH
LMNOP: movement (tremor), Nephrogenic DI, hypOthyroidism, pregnancy CI (Ebstein abnormality, malformation of great vessels).
Follows Na in kidney reabsorption - any changes to that will affect Li levels.
Term
Buspirone
Mech
Use
Tox
Definition
5-HT1 agonist.
Generalized anxiety disorder (NOT panic disorder, social phobia, specific phobias)
Good; no sedation, addiction, tolerance. No interaction with alcohol (unlike BZD, barbituates)
Term
Imipramine
Mech
Use
Tox
Definition
TCA. Blocks NE and 5-HT reuptake.
Depression, fibromyalgia, painful diabetic neuropathy. Imipramine: bedwetting.
Toxicity: also...
Inhibits cardiac fast Na channels: arrythmias, hypoTN.
Antimuscarinic: Hyperthermia, flushing, dilated pupils, ileus, urinary retention, sinus tachycardia.
Inhibits alpha1: vasodilation, orthostatic hypoTN.
Inhibits H1: sedation.
Imipramine is tertiary amine, more anticholinergic AEs (avoid in elderly).
Severe: CCC: Convulsions, Cardiotoxicity, Coma. Treat with NaHCO3 (urine alkalinzation).
Term
Amitriptyline
Mech
Use
Tox
Definition
TCA. Blocks NE and 5-HT reuptake.
Depression, fibromyalgia, painful diabetic neuropathy.
Toxicity: also...
Inhibits cardiac fast Na channels: arrythmias, hypoTN.
Antimuscarinic: Hyperthermia, flushing, dilated pupils, ileus, urinary retention, sinus tachycardia.
Inhibits alpha1: vasodilation, orthostatic hypoTN.
Inhibits H1: sedation.
Amitriptyline is tertiary amine, more anticholinergic effects (avoid in elderly).
Severe: CCC: Convulsions, Cardiotoxicity, Coma. Treat with NaHCO3 (urine alkalinzation).
Term
Desipramine
Mech
Use
Tox
Definition
TCA. Blocks NE and 5-HT reuptake.
Depression, fibromyalgia, painful diabetic neuropathy.
Toxicity: also...
Inhibits cardiac fast Na channels: arrythmias, hypoTN.
Antimuscarinic: Hyperthermia, flushing, dilated pupils, ileus, urinary retention, sinus tachycardia.
Inhibits alpha1: vasodilation, orthostatic hypoTN.
Inhibits H1: sedation.
Desipramine: least sedating, but lowest seizure threshold. Secondary amine, fewer anticholinergic AEs (better for elderly).
Severe: CCC: Convulsions, Cardiotoxicity, Coma. Treat with NaHCO3 (urine alkalinzation).
Term
Nortriptylene
Mech
Use
Tox
Definition
TCA. Blocks NE and 5-HT reuptake.
Depression, fibromyalgia, painful diabetic neuropathy.
Toxicity: also...
Inhibits cardiac fast Na channels: arrythmias, hypoTN.
Antimuscarinic: Hyperthermia, flushing, dilated pupils, ileus, urinary retention, sinus tachycardia.
Inhibits alpha1: vasodilation, orthostatic hypoTN.
Inhibits H1: sedation.
Nortriptylene: Secondary amine, fewer anticholinergic AEs (better for elderly).
Severe: CCC: Convulsions, Cardiotoxicity, Coma. Treat with NaHCO3 (urine alkalinzation).
Term
Clomipramine
Mech
Use
Tox
Definition
TCA. Blocks NE and 5-HT reuptake.
Depression, fibromyalgia, painful diabetic neuropathy.
Toxicity: also...
Inhibits cardiac fast Na channels: arrythmias, hypoTN.
Antimuscarinic: Hyperthermia, flushing, dilated pupils, ileus, urinary retention, sinus tachycardia.
Inhibits alpha1: vasodilation, orthostatic hypoTN.
Inhibits H1: sedation.
Clomipramine: Tertiary amine, more anticholinergic AEs (avoid in elderly).
Severe: CCC: Convulsions, Cardiotoxicity, Coma. Treat with NaHCO3 (urine alkalinzation).
Term
Doxepin
Mech
Use
Tox
Definition
TCA. Blocks NE and 5-HT reuptake.
Depression, fibromyalgia, painful diabetic neuropathy.
Toxicity: also...
Inhibits cardiac fast Na channels: arrythmias, hypoTN.
Antimuscarinic: Hyperthermia, flushing, dilated pupils, ileus, urinary retention, sinus tachycardia.
Inhibits alpha1: vasodilation, orthostatic hypoTN.
Inhibits H1: sedation.
Doxepin: Tertiary amine, more anticholinergic AEs (avoid in elderly).
Severe: CCC: Convulsions, Cardiotoxicity, Coma. Treat with NaHCO3 (urine alkalinzation).
Term
Amoxapine
Mech
Use
Tox
Definition
TCA. Blocks NE and 5-HT reuptake.
Depression, fibromyalgia, painful diabetic neuropathy.
Toxicity: also...
Inhibits cardiac fast Na channels: arrythmias, hypoTN.
Antimuscarinic: Hyperthermia, flushing, dilated pupils, ileus, urinary retention, sinus tachycardia.
Inhibits alpha1: vasodilation, orthostatic hypoTN.
Inhibits H1: sedation.
Amoxapine: Secondary amine, less anticholinergic AEs (better for elderly).
Severe: CCC: Convulsions, Cardiotoxicity, Coma. Treat with NaHCO3 (urine alkalinzation).
Term
Tertiary TCAs?
Secondary TCAs?
Difference?
Definition
3*: Imipramine, Amitriptyline, Clomipramine, Doxepin
2*: Desipramine, Nortriptyline, Amoxapine
3* has more anticholinergic AEs (ACID). 2* has fewer, better for elderly (DAN).
Term
Fluoxetine
Mech
Use
Tox
Antidote
Definition
SSRI. 2-4 weeks before effect.
Depression, OCD, bulemia, social phobias.
Fewer AEs than TCAs. GI distress, sexual dysfunction (anorgasmia). Serotonin syndrome with MAOis - hyperthermia, muscle rigidity, CV collapse, flushing, diarrhea, seizures. Antidote: Cyproheptadine (5-HT antagonist).
Term
Paroxetine
Mech
Use
Tox
Antidote
Definition
SSRI. 2-4 weeks before effect.
Depression, OCD, bulemia, social phobias.
Fewer AEs than TCAs. GI distress, sexual dysfunction (anorgasmia). Serotonin syndrome with MAOis - hyperthermia, muscle rigidity, CV collapse, flushing, diarrhea, seizures. Antidote: Cyproheptadine (5-HT antagonist).
Term
Sertraline
Mech
Use
Tox
Antidote
Definition
SSRI. 2-4 weeks before effect.
Depression, OCD, bulemia, social phobias.
Fewer AEs than TCAs. GI distress, sexual dysfunction (anorgasmia). Serotonin syndrome with MAOis - hyperthermia, muscle rigidity, CV collapse, flushing, diarrhea, seizures. Antidote: Cyproheptadine (5-HT antagonist).
Term
Citalopram
Mech
Use
Tox
Antidote
Definition
SSRI. 2-4 weeks before effect.
Depression, OCD, bulemia, social phobias.
Fewer AEs than TCAs. GI distress, sexual dysfunction (anorgasmia). Serotonin syndrome with MAOis - hyperthermia, muscle rigidity, CV collapse, flushing, diarrhea, seizures. Antidote: Cyproheptadine (5-HT antagonist).
Term
Cyproheptadine
Mech
Use
Definition
5-HT receptor antagonist
Use for serotonin syndrome (SSRI + MAOi overdose)
Term
Venlafaxine
Mech
Use
Tox
Definition
SNRI: 5HT and NE reuptake inhibitor.
Depression. Venlaflaxine also for anxiety.
HyperTN, stimulant, sedation, nausea.
Term
Duloxetine
Mech
Use
Tox
Definition
SNRI: 5HT and NE reuptake inhibitor (Duloxetine: greater NE effect).
Depression. Duloxetine also for diabetic peripheral neuropathy.
HyperTN, stimulant, sedation, nausea.
Term
Phenelzine
Mech
Use
Tox
Definition
MAOi. Increases NE, 5HT, dopamine.
Atypical depression, anxiety, hypochondriasis.
Hypertensive crisis with tyramine ingestion (wine, cheese) or beta-agonists. CNS stimulation. Contraindicated with SSRIs or meperidine to prevent serotonin syndrome.
Term
Tranylcypromine
Mech
Use
Tox
Definition
MAOi. Increases NE, 5HT, dopamine.
Atypical depression, anxiety, hypochondriasis.
Hypertensive crisis with tyramine ingestion (wine, cheese) or beta-agonists. CNS stimulation. Contraindicated with SSRIs or meperidine to prevent serotonin syndrome.
Term
Isocarboxazid
Mech
Use
Tox
Definition
MAOi. Increases NE, 5HT, dopamine.
Atypical depression, anxiety, hypochondriasis.
Hypertensive crisis with tyramine ingestion (wine, cheese) or beta-agonists. CNS stimulation. Contraindicated with SSRIs or meperidine to prevent serotonin syndrome.
Term
Selegiline
Mech
Use
Tox
Definition
Selective MAOi-B inhibitor. Increases NE, 5HT, dopamine.
Atypical depression, anxiety, hypochondriasis. Selegiline also for Parkinson's.
Hypertensive crisis with tyramine ingestion (wine, cheese) or beta-agonists. CNS stimulation. Contraindicated with SSRIs or meperidine to prevent serotonin syndrome.
Term
Buproprion
Mech
Use
Tox
Definition
Atypical antidepressant. Increases NE and dopamine by unknown mechanism.
Depression, smoking cessation.
Stimulant, headache, seizure in bulemic patients. No sexual side effects (vs. SSRIs)
Term
Mirtazapine
Mech
Use
Tox
Definition
Atypical antidepressant. Alpha-2 antagonist (increases NE and 5HT release), also 5HT2 and 5HT3 receptor antagonist.
Depression.
Sedation, increased appetite, weight gain, dry mouth.
Term
Maprotiline
Mech
Use
Tox
Definition
Atypical antidepressant. Blocks NE reuptake.
Depression.
Sedation, orthostatic hypotension.
Term
Trazodone
Mech
Use
Tox
Definition
Atypical antidepressant. Mostly inhibits serotonin reuptake.
Insomnia - high doses needed for antidepressant effects.
Sedation, nasea, priapism (trazoBone), postural hypotension.
Term
Evolution of EPS side effects?
Definition
4 hrs: acute dystonia (muscle spasm, stiffness, oculogyric crisis)
4 dys: akinesia (parkinsonian)
4 wks: akathisia (anxiety, restlessness)
4 mo: tardive dyskinesia (involuntary perioral movements, choreoathetoid movements, irreversible)
Term
Mannitol
Mech
Use
Tox
Definition
Osmotic diuretic.
Shock, drug OD, high intracranial pressure.
Pulmonary edema, dehydration. CI: anuria, CHF.
Term
Acetazolamide
Mech
Use
Tox
Definition
Carbonic anhydrase inhibitor. Self-limited NaHCO3 diuresis.
Glaucoma, urinary alkalinization, metabolic alkalosis, altitude sickness.
Hyperchloremic metabolic acidosis (normal anion gap), neuropathy, NH3 toxicity, sulfa allergy.
Term
Furosemide
Mech
Use
Tox
Definition
Sulfonamide loop diuretic. Inhibits Na/K/Cl cotransport on thick ascending limb. Increases calcium excretion. Also increases prostaglandins, increasing renal blood flow/GFR.
Edema, HTN, hypercalcemia.
OHDANG!: Ototoxicity, Hypokalemia, Dehydration, Allergy (sulfa), Nephritis (interstitial), Gout (hyperuricemia). Also diuretic alkalosis.
Term
Ethacrynic acid
Mech
Use
Tox
Definition
Same as furosemide, but not a sulfa drug.
Pts with sulfa allergies.
Same as furosemide except allergies.
Term
Hydrochlorothiazide
Mech
Use
Tox
Definition
Inhibit NaCl reabsorption in early DCT. Reduces Ca excretion (only one!)
HTN, CHF, hypercalciuria, nephrogenic DI.
Hypokalemia, diuretic metabolic alkalosis, hyponatremia, hyperglycemia, hyperlipidemia, hyperuricemia, hypercalcemia. Sulfa allergy.
Term
Spironolactone
Mech
Use
Tox
Definition
K sparing diuretic. Aldosterone competitive antagonist. Acts in cortical collecting duct.
Hyperaldosteronism, K depletion, CHF, hirsuitism.
Hyperkalemia, anti-androgen effects (gynecomastia), acidemia.
Term
Eplerenone
Mech
Use
Tox
Definition
K sparing diuretic. Aldosterone competitive antagonist. Acts in cortical collecting duct.
Hyperaldosteronism, K depletion, CHF.
Hyperkalemia, acidemia. Like spironolactone but with less anti-androgenic effects.
Term
Triamterene
Mech
Use
Tox
Definition
K sparing diuretic. Blocks Na channels in cortical collecting duct - similar affect to aldosterone antagonists.
Hyperaldosteronism, K depletion, CHF.
Hyperkalemia, acidemia.
Term
Amiloride
Mech
Use
Tox
Definition
K sparing diuretic. Blocks Na channels in cortical collecting duct - similar affect to aldosterone antagonists.
Hyperaldosteronism, K depletion, CHF.
Hyperkalemia, acidemia.
Term
What is "contraction alkalosis"?
Definition
In low volume state, angiotensin II concentration increases. One effect is increased Na/H exchange in PCT, causing alkalosis.
Term
What is "paradoxical aciduria"? When is it seen?
Definition
Seen in hypokalemic state.
In hypokalemia, Na/H exchange is favored over Na/K exchange in PCT. This causes aciduria, even if body is in alkalotic state.
One mechanism of diuretic metabolic alkalosis.
Term
Captopril
Mech
Use
Tox
Definition
ACE inhibitor. Reduces ATII levels, raises bradykinin levels. Increases renin (loss of feedback inhibition).
HTN, CHF, prevention of diabetic renal disease.
CAPTOPRIL: Cough, Angioedema, Potassium increase, Taste changes, hypOtension, Pregnancy CI, Rash, Increased renin, Low ATII. Avoid with bilateral renal artery stenosis: kidneys rely on ATII mediated efferent arteriole constriction to maintain GFR.
Term
Enalapril
Mech
Use
Tox
Definition
ACE inhibitor. Reduces ATII levels, raises bradykinin levels. Increases renin (loss of feedback inhibition).
HTN, CHF, prevention of diabetic renal disease.
CAPTOPRIL: Cough, Angioedema, Potassium increase, Taste changes, hypOtension, Pregnancy CI, Rash, Increased renin, Low ATII. Avoid with bilateral renal artery stenosis: kidneys rely on ATII mediated efferent arteriole constriction to maintain GFR.
Term
Lisinopril
Mech
Use
Tox
Definition
ACE inhibitor. Reduces ATII levels, raises bradykinin levels. Increases renin (loss of feedback inhibition).
HTN, CHF, prevention of diabetic renal disease.
CAPTOPRIL: Cough, Angioedema, Potassium increase, Taste changes, hypOtension, Pregnancy CI, Rash, Increased renin, Low ATII. Avoid with bilateral renal artery stenosis: kidneys rely on ATII mediated efferent arteriole constriction to maintain GFR.
Term
Chlorthalidone
Definition
A thiazide diuretic
Term
Leuprolide
Definition
GnRH analog; agonist when pulsatile, antagonist when continuous.
Infertility (pulsatile use), prostate cancer (continuous use), uterine fibroids
Anti-androgen sx, nausea, vomiting.
Term
Testosterone
Definition
Direct androgen receptor agonist
Treat hypogonadism, develop secondary sex characteristics; stimulation of anabolism to promote recovery after burn or injury; treat ER-positive breast cancer.
Masculinization in females; reduces intratesticular testosterone in males (feedback inhibition), causing gonadal atrophy. Premature closure of epiphyseal plates. Raises LDL, lowers HDL.
Term
Finasteride
Definition
aka Propecia
5-alpha-reductase inhibitor.
BPH, male pattern baldness.
Term
Flutamide
Definition
Nonsteroidal competitive androgen inhibitor.
Prostate cancer.
Term
Ethinyl estradiol, mestrinol
Definition
estrogen analogs
Hypogonadism, ovarian failure, menstrual abnormalities, hormone replacement therapy in post-menopausal women, androgen-dependent prostate cancer.
Increases endometrial carcinoma risk, bleeding in post-menopausal women, increased thrombosis risk. CI: ER positive breast cancer, history of DVTs.
Term
Clomiphene
Definition
SERM. Partial agonist at hypothalamus; prevents normal feedback inhibition, increases release of LH and FSH from pituitary, stimulates ovulation.
Infertility, PCOS.
Hot flashes, ovarian enlargement, multi-pregnancy, visual disturbances.
Term
Tamoxifen
Definition
SERM. Antagonist on breast, partial agonist on uterus.
Treat ER-positive breast cancer.
Increase in endometrial cancer risk.
Term
Raloxifene
Definition
SERM. Agonist on bone; antagonist on breast AND uterus.
Osteoporosis.
No endometrial cancer risk (unlike tamoxifen)
Term
Anastrozole
Definition
Aromatase inhibitor.
Breast cancer in post-menopausal women.
Term
Exemestane
Definition
Aromatase inhibitor.
Breast cancer in post-menopausal women.
Term
Medroxyprogesterone
Definition
aka DepoProvera
Progesterone analog. Reduce growth and increase vascularization of endometrium.
Oral contraceptive, treatment of endometrial cancer, abnormal bleeding.
Term
Mifepristone
Definition
aka RU-486
Competitive inhibitor of progesterone
Termination of pregnancy, give with misoprostol (PGE1)
Heavy bleeding, GI distress (N/V, anorexia), abdominal pain
Term
Synthetic estrogen/progestin combo
Definition
Oral contraceptive. Prevents estrogen rise, LH surge, no ovulation.
Reliable contraception, decrease endometrial and ovarian cancer risk, decrease ectopic pregnancy risk, decrease pelvic infections, regular menses.
Must take daily, no STD protection, *increases triglycerides, *depression, weight gain, nausea, HTN, hypercoagulability.
CI: smokers > 35 years old - increase CV risk, history of thrombus, stroke, estrogen dependent tumor.
Term
Dinoprostone
Definition
PGE2 analog: Causes cervical dilation, uterine contraction.
Induces labor.
Term
Ritodrine
Definition
B2-agonist, relaxes uterus.
tocolytic.
(baby "returns to dreams")
Term
Terbutaline
Definition
B2-agonist
relaxes uterus
tocolytic
Term
Misoprostol
Definition
PGE1 analog, uterine contractions
Terminate pregnancy (with mifepristone), induce labor
Term
Sidenafil
Definition
Inhibit cGMP phosphodiesterase, raise cGMP, smooth muscle relax in corpus cavernosum, erection.
Erectile dysfunction.
Headache, flushing, dyspepsia, impaired blue-green color vision. CI: nitrate use - severe hypotension (excess cGMP without PDE!)
3H: Headache, Heartburn, Hypotension
Term
Menotropin
Definition
FSH analog
Anovulation
Term
Goserelin
Definition
GnRH analog - see leuprolide
Term
Nafarelin
Definition
GnRH analog - see leuprolide
Term
Histrelin
Definition
GnRH analog - see leuprolide
Term
Theophylline
Mech?
Use?
Tox?
Definition
Inhibits PDE, raising cAMP, causes bronchodilation.
Anti-asthma, but narrow therapeutic index.
Cardiotoxicity, neurotoxicity.
(blocks actions of adenosine)
Term
Cromolyn Sulfate
Mech?
Use?
Tox?
Definition
Prevents mast cell degranulation.
Asthma prophylaxis (not acute tx).
Rare toxicity
Term
Zileuton
Mech?
Use?
Definition
5-lipoxygenase inhibitor; blocks conversion of arachidonic acid to leukotrienes
Asthma prophylaxis
Term
Zafirlukast
Mech?
Use?
Definition
Block leukotriene D4 receptors
Asthma, esp. aspirin induced asthma
Term
Montelukast
Mech?
Use?
Definition
Block leukotriene D4 receptors
Asthma, esp. aspirin induced asthma
Term
Guaifenesin
Mech?
Use?
Definition
Removes excess sputum, does not remove cough reflex
Expectorant
Term
N-acetylcysteine
Mech?
Use?
Definition
Mucolytic
Loosen mucus plugs in CF pts
(also used in acetominophen overdose)
Term
Bosentan
Mech?
Use?
Definition
Endothelin-1 receptor antagonist
Pulmonary HTN, decreases pulm. vasc. resistance
Term
Omalizumab
Mech?
Use?
Tox?
Definition
Anti-IgE antibody, prevents IgE binding to mast cells.
Prophylaxis for allergen induced asthma attack.
Term
Diphenhydramine
Definition
1st generation H1 blocker
Allergy, motion sickness, sleep aid
Sedation, anti-muscarinic, anti-alpha-adrenergic
Term
Dimenhydrinate
Definition
1st generation H1 blocker
Allergy, motion sickness, sleep aid
Sedation, anti-muscarinic, anti-alpha-adrenergic
Term
Chlorpheniramine
Definition
1st generation H1 blocker
Allergy, motion sickness, sleep aid
Sedation, anti-muscarinic, anti-alpha-adrenergic
Term
Loratadine
Definition
2nd gen H1 blocker.
Allergy
Less CNS entry, so far less sedating than 1st gen
Term
Fexofenadine
Definition
2nd gen H1 blocker.
Allergy
Less CNS entry, so far less sedating than 1st gen
Term
Desloratadine
Definition
2nd gen H1 blocker.
Allergy
Less CNS entry, so far less sedating than 1st gen
Term
Cetirizine
Definition
2nd gen H1 blocker.
Allergy
Less CNS entry, so far less sedating than 1st gen
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