Shared Flashcard Set

Details

Pharm, Ass6
NSAIDs, DMARD, Opiates, Antihistamines, tx of asthma/COPD
134
Pharmacology
Graduate
09/22/2011

Additional Pharmacology Flashcards

 


 

Cards

Term
Acetylsalicylic acid
Definition

(Aspirin)

Acetylates COX (1&2) enzymes,irreversible inhibition;

 

Inhibits platelet aggregation;

Tx inflammation, fever, pain, HA, arthritis, dysmenorrhea, RA (large dose);

 

SE - GI ulcer, tinnitus, hearing loss, hepatic injufy, Reyes', asthma, ↑ bleeding time; CI with bleeding disorders

Term
Acetaminophen
Definition

(Tylenol)

NSAID

Inhibitor of COX-1,2,(3);

analgesic and antipyretic;

NOT useful for anti-inflammatory;

 

SE - HEPATOTOXICITY; No effects on platelets, NO GI IRRITATION

Term
Indomethacin
Definition

NSAID - POTENT;

anti-inflammatory, analgesic, antipyretic;

 

Tx gout, arthritis; Used to close Ductus Arteriosus;

 

SE - GI IRRITATION, CNS effects (HA, dizziness, depression), renal dysfxn;

CI in pregnancy*

Term
Ibuprofen
Definition

(Advil, Motrin)

NSAID

Reversible COX inhibitor; Alters platelet (prolonged bleeding),

anti-inflammatory, antipyretic, analgesic;

 

Tx RA (3200mg), pain (400mg/6hrs);

 

SE- GI irritation (less than others);

CI in pregnancies*

Term
Naproxen
Definition

(Aleve)

NSAID

Reversible COX inhibitor; Alters platelet (prolonged bleeding),

Anti-inflamm, antipyretic, analgesic;

 

Long half-life - 14hrs, so 2xday dosing;

 

SE- GI irritation

Term
Oxaprozin
Definition

NSAID - reversible COX inhibitor;

Alter platelet (prolonged bleeding),

anti-inflamm, antipyretic, analgesic;

 

LONG HALF-LIFE - 40hrs, once a day;

 

SE- GI irritation

Term
Ketorolac
Definition

NSAID - heteroaryl acetic acid deriv;

POTENT analgesic, SHORT-TERM USE ONLY;

moderate anti-inflammation effects;

 

IM, oral, parenteral admin;

 

Tx post-op pain and inflamm, topical for eye inflammation (allergies or post-op);

Term
Diclofenac
Definition

NSAID - heteroaryl acetic acid derivative;

Potent COX inhibition;

 

Tx RA, OA;

 

SE - GI, elevation of hepatic aminotransferase activity;

CI for pregnancy

Term
Anthrotec
Definition

Diclofenac + Misoprostol

 

NSAID + PGE1 agonist - heteroaryl acetic acid derivitive; gastric protection

Term
Misoprostol
Definition

PGE1 analog;

gastric protection

 

Given with GI upsetting drugs

Term
Piroxicam
Definition

NSAID - Enolic Acid;

 

Anti-inflamm, antipyretic, analgesic;

Equiv w/ asprin, indo, naproxen;

LONG HALF-LIFE - 50hrs, one a day;

 

SE - GI, RENAL (high risk);

Drug interaction - lithium (reduce clearance)

Term
Meloxicam
Definition

NSAID - Enolic Acid;

 

More selective for COX2 (but still blocks 1);

LONG HALF-LIFE - one a day;

 

Tx OA, RA;

 

SE - GI (better than others)

Term
Celecoxib
Definition

(Celebrex)

NSAID - selective COX2;

Anti-inflamm, antipyretic, analgesic;

 

Tx OA, RA, acute pain, dysmenorrhea;

 

SE - CV*, some GI uleration, dyspepsia, inhibits labor, renal alteration, hypersensitivity rxns;

 

Drug interaction- "heart meds", diuretics, coumadin

Term
Methotrexate
Definition

DMARD

Inhibits DHFR= no purine biosynthesis;

 Immunosuppressive (↓ Igs, TNF, IL-1,6);

 

Tx RA! (commonly used for this indication), leukemias (high doses), psoriasis;

 

SE - hepatotoxicity, infections, Methotrexate clearance is ↓ in pt taking NSAIDs* (avoid combo if possible),

Highly Teratogenic;

 

CI - Liver dz (or sig alcohol use) or with Leflunomide (another DMARD, together cause severe hepatotoxicity),

 pt w poor renal fxn (renally excreted, pt with ↓ renal fxn are succeptible to drug toxicity),

with NSAIDs ,

pregnancy [or even men trying to get partners pregnant:Cat X!],

 

Term
Leflunomide
Definition

DMARD

Inhibits pyrimidine biosynthesis;

Tx mild RA (slows progression);

 

SE - hepatic toxicity (BLACK BOX!),

long-term teratogen* (1-2 yrs to clear, use the drug Cholestyramidine to conjugate and get rid of Leflunomine in pt trying to get PG), myelosuppression (bone marrow)

Term
Sulfasalazine
Definition

DMARD

Prodrug; metabolized to sulfapyridine (unknown action) and 5-aminosalicylic acid (therapeutic);

 

Tx: RA, Ulcerative Colitis, Crohn's Dz;

 

SE - GI upset, ↓ WBCs (rare)

Term
Hydroxychloroquine
Definition

DMARD (Originally an Anti-malarial);

 

Tx: 2nd line for mild RA;

Slow onset of efects (3-4 mo.) but well tolerated;

 

SE - nausea/gastric pain, retinal damage (monitor visual symptoms!), HEMOLYSIS (in G6PDH deficient pt)

Term
Myochrysine
Definition

IM Gold

DMARD

Unknown mechanism of action

 

Tx: primarily for RA, (used to be 1st-line tx); 

 

High Incidence of SE -

Skin/mucous membrane tox (usually of mouth though given IM), renal fxn may be altered,

severe blood dyscrasias

Term
Etanercept
Definition

DMARD (Embrel)

TNF inhibitor; ↓ circulating TNF-a and blocks actions at the TNFR receptor;

Fusion of the ligand-binding portion of the TNFR to human IgG false receptor; produced in hamster/CHO cells;

SC injection 2x/week (3-4 day half life);

 

Tx: RA that fails to respond to other DMARDs, psoriatic arthritis, Ankolyzing Spondylitis, plaque psorisis;

 

SE - Common but mild injection site rxn, ↑ risk of infection, auto-Ab formation

 

Can be used in combination to tx these conditions but cannot be used with TNF Abs.

Term
Infliximab
Definition

DMARD

TNF inhibitor;

Binds TNFa with high affinity and inhibits its actions at its receptor and ↓ circulating TNF-a;

Chimeric IgG1 monoclonal Ab, also induces lysis of cells expressing TNF-a

IV admin @ 0 and 2 weeks, then every other month;

 

Tx: RA, Crohn's, psoriatic arth, Ankolyzing Spondylitis, Ulcerative Colitis, plaque psoriasis (pretty much tx all);

 

SE - injection site rxn, ↑ risk of infection, auto-Ab formation

Term
Adalimumab
Definition

DMARD

TNF inhibitor; Binds TNFa with high affinity and inhibits its actions at its receptor and ↓ circulating TNF-a;

Human monoclonal anti-TNF-alpha Ab;

 

SC injection, every other week;

 

Tx: RA, AS, Crohn's, psoriatic arthritis, plaque psoriasis

 

SE - injection site rxn, ↑ risk of infection, auto-Ab

Term
Golimumab
Definition

(Simponi)

DMARD

TNF inhibitor; Reduces circulating TNF-a and blocks action at receptor;

Human TNF monoclonal Ab;

 

SC admin, once per month

 

Tx: RA (mod-severe in adults), psoriatic arthritis, and ankylosing spolndylitis

 

SE: ↑ risk of infection

Term
Certolizumab Pegol
Definition

(Cimzia) DMARD

TNF inhibitor; Reduces circulating TNF-a and blocks action at receptor;

Anti-TNF Ab conjugated to polyethylene glycol;

 

SC injection, once a month;

 

Tx: RA, Crohn's Dz

 

SE: ↑ risk of infection

Term
Anakinra
Definition

DMARD

IL-1 receptor antagonist;

Competitively binds to IL-1 type 1 receptor;

Recombinant human IL-1 (1 aa different from IL-1);

 

Daily SC injection;

 

Tx - mod to severe RA, tried other DMARDs (Use after failed TNF-inhibitor therapy); 

 

SE - injection site rxns; ↑ risk of infection

 

 

CI - w/ other TNF blocking agents (can be used alone or in combo with other non-TNF blocking DMARDs)

Term
Abatacept
Definition

DMARD

T-cell costimulation blocker;

CTLA4 conjugated w/ IgG, binds CD28 on Tcell, blocks T-cel activation/response and cytokine release (TNF);

 

Admin IV weeks 0,2,4 then monthly maintinance; onset of action at 3 months.

 

Tx: RA and related (after failed TNF-inhibitor therapy);

 

SE: ↑ risk of infection

Term
Rituximab
Definition

DMARD; Depletes B cells;

Chimeric monoclonal Ab against CD20 on Bcells, ↓ cytokine production/release;

 

2 IV infusions 2 weeks apart, onset of actions ~3 mo.

 

Tx: RA who failed to respond to other TNF antagonists

 

SE: ↑ risk of infection

Term
Salicylate drug interactions (3)
Definition
Oral hypoglycemics, phenytoin, uricosurics
Term
Morphine
Definition

MuOR Agonist (minimal kappa action);

Active itself but converted to M-6-glucaronide = 100x potency;

4 hr half life - accumulation;

extensive (70%) first pass metabolism (doses when given PO must be much higher than when IV); given PO/IV/PR

 

Tx: mod/severe pain;

Use in pts taking MAO-Is;

 

SE - tolerance, constipation, renal clearance* (potential toxicity in renal failure pt)

Term
Hydromorphone
Definition

MuOR agonist (morphine-like);

PO and/or parenteral admin;

 

Tx mod/SEVERE pain

 

SE: constapation, repsiratory depression

 

*Good option for pt with renal insufficency (no active metabolites to accumulate)

Term
Oxycodone
Definition

MuOR agonist (morphine-like);

long acting;

 

Tx mod/severe pain;

 

High abuse potential*

 

SE: Opiate SE

Term
Meperidine
Definition

(Demerol)

MuOR agonist (morphine-like);

50% inactivated, first pass (medium Oral:IV potency);

 

Tx mod/severe pain;

less spasmogenic, no miosis, less constipation;

 

SE: Toxic met. (normeperidine) can accumulate to produce seizure risk (esp in Renal Failure); Anticholinergic effects* peripherally causes dilation of the pupils, constipation, tachycardia and centrally causes agitation, confusion, hallucination)

 

CI - lethal w/ MAO-inhibitors, CHILDREN

 

In summary: Exception to the triad of opiate abuse (casues tachycardia and pupil dilation, not pinpoint), not a very good analgesic, lots of SE (there are better choices out there)

 

Term
Methadone
Definition

MuOR agonist (morphine-like);

PO admin; single daily dose;

Long half life (8 to 120 hours depending on pt);

 

Tx - abuse withdrawl/cravings, (> 180 mg/d is withdrawl, less is maintaince) dampen peaks/troughs of drug concentrations during weaning

 Pt may have to remain on Methadone for life.

SE: CYP and aromatase inhibition (↓ testosterone/libido: ED), prologation of QT (trousades, arrhythmia)

 

Drug of choice in Pregnancy**

Dose escalation may be req towards the end of pregnancy.

Term
Fentanyl
Definition

MuOR agonist (morphine-like);

Transdermal patch for chronic admin, IV for anesthesia;

Low Oral:IV potentcy

 

Tx: mod/severe pain (80x potency); 

Use in pts taking MAO-Is;

 

Opiate SE

 Warn pt with fever! High temps increase drug delivery from transdermal patches, may cause inadvertant OD.

Potentially lethal toxicity when patch is consumed in other ways (chewing, PR etc...)

 

*Good option for pt with renal insufficency (no active metabolites to accumulate)

Term
Remifentanil
Definition

MuOR agonist (morphine-like);

anesthesia IV; rapid onset, short duration

 

Tx: mod/severe pain

 

Opiate SE

Term
Codeine
Definition

MuOR agonist (morphine-like); Low affinity, 10% conv to morphine (morphine in tox screen of pt on codeine);

PO or parenteral admin; renal clearance,

Resistance in 10% caucasians;

 

Tx: mild pain, cough suppressant (action @brainstem cough pattern generator, rapid development of tolorance, some debate as to its efficacy as an anti-tussive agent)

 

Opiate SE + Accumulates in pt with Renal Failure + potential for toxicity in ultrarapid CYP2D6 metabolizing breast feeding mothers

Term
MS Contin
Definition

MOR agonist (morphine-like);

long duration of action (8-12 hrs);

 

Tx: severe pain

 

Opiate SE

Term
Buprenorphine
Definition

MuOR partial agonist/mixed agonist/antag (low action), KOR antagonist (dec abuse potential); 

PO, SL admin;

 

Tx: addiction/abuse;

 Potential to come off of this drug eventually.

SE - abstinence syndrome (aka withdrawl if morph-dependent), can be abused IV.

Often combined with Naloxone in SL tablets to reduce potential for abuse (if injected, naloxone precipitates withdrawl)

Term
Butorphanol
Definition

Opioid mixed agonist/antagonist (partial agonist);

Binds and inactivates MOR; activates KOR;

 

Tx: mod/severe pain, but analgesic effect is sl. dec;

 

Nno constipation, no respiratory depression*;

SE - abstinence syndrome;

Term
Pentazocine
Definition

Opioid mixed agonist/antagonist;

bind and inactivates MOR; activates KOR;

 

Tx mod/severe pain, but analgesic effect is sl. dec;

 

no constipation, no respiratory depression;

 

SE - abstinence syndrome;

Term
Naltrexone
Definition

Opioid receptor antagonist;

LONG DURATION (hrs if PO, days if IM);

PO, IM admin (not a good choice for emergency opiate OD, not avail IV*),

 

↓ alcohol cravings by ↑ baseline release of β-endorphins

 

Tx: Used in addiction maintinance programs (cangive single doses on alternate days), alcohol abuse/addiction

Term
Nalmefene
Definition

Opioid receptor antagonist;

Long duration of action (11 hr);

IV, SC, IM

 

Tx: opioid OD

* Better choice than Naloxone (t1/2 shorter than morphine) or Naltrexone (not avail IV).

Term
Naloxone
Definition

Opioid receptor antagonist;

IV only: rapid onset, short duration (esp compared to morhphine), dose accordingly;

EXTENSIVE P.O. FIRST PASS METABOLISM;

 

Tx: opioid OD, reverses respiratory depression;

 

Can cause opioid withdrawal; start low, go slow (titrate up dose), can also wear off before opiates do causing the pt to relapse into respiratory depression.

Term
Dextromethorphan
Definition

NMDA receptor blocker, SSRI (+multiple other effects)

opiate derivative; no analgesia; acts on non-opioid receptors;

 

Tx: prevention of surgery-induced sensitization, neuropathic pain, cough suppression (found in many OTC cough meds: Robbatussin, dymatapp, delsym...);

 

SE: Dizziness, confusion, fatigue, hallucinations

Habit-forming*

Term
Loperamide
Definition

(Imodium)

Opiate derivative;

dec GI motility, peristalsis and secretion = inc absorption;

 

Tx diarrhea;

no CNS effects - doesn't cross BBB (no analgesia/euphoria/addiction potential)

Term
Mu opoid receptor
Definition

OP-3

Endorphins naturally bind well

analgesia; dec respiration; dec GI activity

Term
Delta opioid receptor
Definition

OP-1

Enkephalins naturally bind well

analesia; GI regulation; autonomics

Term
Kappa opioid receptor
Definition

OP-2

Dynorphins naturally bind well

analgesia; hallucinations

Term
CNS opioid effects (7)
Definition
dec respiration (RR and TV);
dec cough;
pupillary constriction/ miosis at high doses (NO TOLERANCE);
nausea and vomiting;
euphoria (bolus IV);
sedation;
seizures (high doses)
Term
Peripheral actions of opoids (5)
Definition
Constipation (dec motility and secretions)- NO TOLERANCE;
Vasodilation;
Urticaria;
Contraction of bladder and sphincter;
Dec uterine contraction
Term
Major drug interactions of Opiates (5)
Definition

Sedatives/hypnotics (↑ CNS depression incl respiratory depression);

Antipsychotic tranquilzers (↑ sedation, CV effects)

Sympathomimetics;

Antihistamines;

MAO inhibitor antidepressants (rel CI to all opiates, high incidence of hyperpyrexic coma)

Term
MOR and KOR Actions (2)
Definition
inhibit ascending pain paths;
activate decending pain-suppression paths
Term
Diphenhydramine
Definition

(Benadryl)

1st Gen antihistamine - Ether derivative;

 

Sedative, anti-emetic, GI cramps, anticholinergic;

 

Tx: allergies, hay fever, rhinitis, urticaria, insect bites, motion sickness & vertigo (antiemetic);

 

SE - sedation, dystonia, nasal congestion;

CI - asthma

Term
Dimenhydrinate
Definition

(Dramamine)

1st Gen antihistamine - ether derivative;

Sedative, anti-emetic, GI cramps, anticholinergic;

 

Tx allergies, hay fever, rhinitis, urticaria, insect bites, motion sickness & vertigo (antiemetic);

 

SE - sedation, dystonia, nasal congestion;

CI - asthma

Term
Clemastine
Definition

1st Gen antihistamine - Ether derivative;

Sedative, anti-emetic, anticholinergic;

 

Tx allergies, hay fever, rhinitis, urticaria, insect bites, motion sickness & vertigo (antiemetic);

 

SE - GI upset, sedation, dystonia, exacerbation nasal congestion, anticholinergic effects (↑ hr, pupillary dilation, urinary retention);

CI - asthma

Term
Chlorpheniramine
Definition

1st Gen antihistamine - Alkylamine derivative;

Sedative, anti-emetic, anticholinergic;

 

Tx allergies, hay fever, rhinitis, urticaria, insect bites, motion sickness & vertigo (antiemetic);

 

SE - GI upset, sedation, dystonia, exacerbation nasal congestion, anticholinergic effects (↑ hr, pupillary dilation, urinary retention);

CI - asthma

Term
Brompheniramine
Definition

1st Gen antihistamine - Alkylamine derivative;

Sedative, anti-emetic, anticholinergic;

 

Tx allergies, hay fever, rhinitis, urticaria, insect bites, motion sickness & vertigo (antiemetic);

 

SE - GI upset, sedation, dystonia, exacerbation nasal congestion, anticholinergic effects (↑ hr, pupillary dilation, urinary retention);

CI - asthma

Term
Promethazine
Definition

(Phenagren)

1st Gen antihistamine - Phenothiazine derivative;

Sedative, anti-emetic, anticholinergic;

 

Tx allergies, hay fever, rhinitis, urticaria, insect bites, motion sickness & vertigo (antiemetic);

 

SE - Sedation, dystonia, exacerbation nasal congestion, anticholinergic effects (↑ hr, pupillary dilation, urinary retention);

CI - asthma

 

Term
Cyclizine
Definition

1st Gen antihistamine - Piperazine derivative;

Longer lasting (4-24hrs);

Sedative, anti-emetic, anticholinergic;

 

Tx allergies, hay fever, rhinitis, urticaria, insect bites, motion sickness & vertigo (antiemetic);

 

SE - GI upset, sedation, dystonia, exacerbation nasal congestion, anticholinergic effects (↑ hr, pupillary dilation, urinary retention);

CI - asthma

Term
Meclizine
Definition

(Antivert)

1st Gen antihistamine - Piperazine derivative;

Longer lasting (4-24hrs);

Sedative, anti-emetic, anticholinergic;

 

Tx allergies, hay fever, rhinitis, urticaria, insect bites, motion sickness & vertigo (antiemetic);

 

SE - GI upset, sedation, dystonia, exacerbation nasal congestion, anticholinergic effects (↑ hr, pupillary dilation, urinary retention);

CI - asthma

Term
Hydroxyzine
Definition

1st Gen antihistamine - Piperazine derivative;

Longer lasting (4-24hrs);

Sedative, anti-emetic, anticholinergic;

 

Tx allergies, hay fever, rhinitis, urticaria, insect bites, motion sickness & vertigo (antiemetic);

 

SE - GI upset, sedation, dystonia, exacerbation nasal congestion, anticholinergic effects (↑ hr, pupillary dilation, urinary retention);

CI - asthma

Term
Triprolidine
Definition

1st Gen antihistamine - Alkylamine derivative;

Sedative, anti-emetic, anticholinergic;

 

Tx allergies, hay fever, rhinitis, urticaria, insect bites, motion sickness & vertigo (antiemetic);

 

SE - GI upset, sedation, dystonia, exacerbation nasal congestion, anticholinergic effects (↑ hr, pupillary dilation, urinary retention);

CI - asthma

Term
Loratadine
Definition

(Claritin)

2nd Gen antihistamine - Piperidine derivative;

Longer duration, non-sedating, no anticholinergic fxn, SAFE for asthmatics;

 

Tx allergy, hayfever, rhintis, urticaria, insect bites, contact flora;

 

SE - mild congnitive disturance, some appetite stimulation

Term
Acrivastine
Definition

(Note: Not in our lecture but on list)

2nd Gen antihistamine - Alkylamine derivative;

Longer duration, non-sedating, no anticholinergic fxn, SAFE for asthmatics;

 

Tx allergy, hayfever, rhintis, urticaria, insect bites, contact flora;

 

SE - mild congnitive disturance, some appetite stimulation

Term
Cetirizine
Definition

(Zyrtec)

 

2nd Gen antihistamine - Piperidine derivative;

Longer duration, non-sedating, no anticholinergic fxn, SAFE for asthmatics;

 

Tx allergy, hayfever, rhintis, urticaria, insect bites, contact flora;

 

SE - mild congnitive disturance, some appetite stimulation

Term
Desloratadine
Definition

Clarinex

2nd/3rd Gen antihistamine;

High specificity for H1, some muscarinic activity (but lower affinity);

Very LONG HALF LIFE (27hrs);

 

Non-sedating, SAFE for asthmatics;

 

Tx allergy, hayfever, rhintis, urticaria, insect bites, contact flora;

 

SE - mild congnitive disturance, some appetite stimulation

Term
Olopatadine
Definition

2nd/3rd Gen antihistamine;

High selectivity for the H1 receptors (good H1 blocker), INHIBITS RELEASE of histamine from mast cells and basophils*** and inhibits the release of tryptase and PGD2 from inflammatory cells.

 

Tx ocular rhinitis

Prevents or reduces ocular inflammation caused by many common allergens.

Term
Azelastine
Definition

2nd/3rd Gen antihistamine; Phthalazinone Derivative

Inhibits histamine, LTs, and PAF activity (receptor antagonism); Blocks Ca2+ mobilization and the 5-lipoxygenase pathway [Moral of the story: Does more than just block H1!]

LONG HALF LIFE;

Eye drop and nasal spray formulations

 

Tx rhinitis and hay fever; can use in asthmatics;

 

SE - somnolence, bitter taste, nasal burning, dry mouth, TERATOGENIC

Term
Levocabastine
Definition

2nd/3rd Gen antihistamine;

MOST SPECIFIC FOR H1 (very potent H1 blocker);

Rapidly acting

 

Tx ocular rhinitis (nasal and ocular effects)

 

SE - generally none! (even at high dose)

Term
Mizolastine
Definition

Approved in EUROPE

2nd/3rd Gen antihistamine;

Antagonizes PAF and LTD4-mediated bronchoconstriction;

 

Tx- allergic rhinitis (nasal and ocular symptoms); non-sedative

Term
Emedastine
Definition

2nd/3rd Gen antihistamine;

Anti-allergic potency comparable to 2nd gen H1 antags; inhibits histamine and LTC4 release  from leukocytes; also has anti-asthmatic* properties

 

Tx: asthma, ALLERGIC CONJUNCTIVITIS

Term
Ebastine
Definition

2nd/3rd Gen antihistamine;

Hybrid of 1ST GEN AND 2ND GEN;

Anti-LT and anti-bradykinin activity (though many times lower than its antihistamine activity which is higher than most 2nd gen H1s alone);

Term
Epinephrine
Definition

Adrenergic Agonist - Bronchodilator;

Blocks at B1, [B2], a1, a2 (non-specific);

↑ cAMP (bronchodilation),

Small effects: ↓ release of mediators from mast cells,  ↓ microvascular permiability, ↑ mucociliary transport;

Shorter duration of action.

 

Tx asthma, COPD; 

 

SE: skeletal m. tremor, nausea, vomiting, HA, ↓ BP/↑ HR, arrhythmias, ↓ PaO2, CNS toxicity (agitation, convulsions, coma, respiratory/vasomotor collapse)

Term
Ephedrine
Definition

Adrenergic Agonist - Bronchodilator;

Blocks at B1, B2, some a (non-specific);

↑ cAMP (bronchodilation),

Small effects: ↓ release of mediators from mast cells,  ↓ microvascular permiability, ↑ mucociliary transport;

 

Tx asthma, COPD; 

 

SE: skeletal m. tremor, nausea, vomiting, HA, ↓ BP/↑ HR, arrhythmias, ↓ PaO2, CNS toxicity (agitation, convulsions, coma, respiratory/vasomotor collapse)

Term
Isoproterenol
Definition

Adrenergic Agonist - Bronchodilator;

Blocks at β1, β2 (non-specific βB);

↑ cAMP (bronchodilation),

Small effects: ↓ release of mediators from mast cells,  ↓ microvascular permiability, ↑ mucociliary transport;

 

Tx asthma, COPD; 

 

SE: skeletal m. tremor, nausea, vomiting, HA, ↓ BP/↑ HR, arrhythmias, ↓ PaO2, CNS toxicity (agitation, convulsions, coma, respiratory/vasomotor collapse)

Term
Metaproterenol
Definition

Adrenergic Agonist - Bronchodilator;

β2 specific

FAST - reliever or rescue;

 

↑ cAMP (bronchodilation),

Small effects: ↓ release of mediators from mast cells,  ↓ microvascular permiability, ↑ mucociliary transport;

 

Tx asthma (rescue), COPD; 

 

SE: skeletal m. tremor, nausea, vomiting, HA, ↓ BP/↑ HR, arrhythmias, ↓ PaO2, CNS toxicity (agitation, convulsions, coma, respiratory/vasomotor collapse)

Term
Albuterol
Definition

Adrenergic Agonist - Bronchodilator;

[B2] specific

FAST - reliever or rescue admin;

 

↑ cAMP (bronchodilation),

Small effects: ↓ release of mediators from mast cells,  ↓ microvascular permiability, ↑ mucociliary transport;

 

Tx asthma, COPD; 

 

SE: skeletal m. tremor, nausea, vomiting, HA, ↓ BP/↑ HR, arrhythmias, ↓ PaO2, CNS toxicity (agitation, convulsions, coma, respiratory/vasomotor collapse)

Term
Terbutaline
Definition

Adrenergic Agonist - Bronchodilator;

[B2] specific

FAST - reliever or rescue admin;

 

↑ cAMP (bronchodilation),

Small effects: ↓ release of mediators from mast cells,  ↓ microvascular permiability, ↑ mucociliary transport;

 

Tx asthma, COPD; 

 

SE: skeletal m. tremor, nausea, vomiting, HA, ↓ BP/↑ HR, arrhythmias, ↓ PaO2, CNS toxicity (agitation, convulsions, coma, respiratory/vasomotor collapse)

Term
Salmeterol
Definition

Adrenergic Agonist - Bronchodilator;

[B2]specific

SLOW/long-acting (LABA); used only with steroids (Salmeterol + Fluticasone = Advair) 

prevention (esp night-time, exercise use);

 

↑ cAMP (bronchodilation),

Small effects: ↓ release of mediators from mast cells,  ↓ microvascular permiability, ↑ mucociliary transport;

 

Tx asthma, COPD; 

 

SE: skeletal m. tremor, nausea, vomiting, HA, ↓ BP/↑ HR, arrhythmias, ↓ PaO2, CNS toxicity (agitation, convulsions, coma, respiratory/vasomotor collapse)

Term
Formoterol
Definition

Adrenergic Agonist - Bronchodilator;

[B2]specific

SLOW/long-acting (LABA); used only with steroids (Formoterol + Budesonide = Symbicort) 

prevention (esp night-time, exercise use);

 

↑ cAMP (bronchodilation),

Small effects: ↓ release of mediators from mast cells,  ↓ microvascular permiability, ↑ mucociliary transport;

 

Tx asthma, COPD; 

 

SE: skeletal m. tremor, nausea, vomiting, HA, ↓ BP/↑ HR, arrhythmias, ↓ PaO2, CNS toxicity (agitation, convulsions, coma, respiratory/vasomotor collapse)

Term
Atropine
Definition

Cholinergic antagonist - Bronchodilator;

Competitive blockade of muscarinic receptors;

↓ airway SM constriction, ↓ mucous secretion, enhance the effects of β2-mediated bronchodilation;

 

Tx: Asthma, COPD

Combination agents (β2 + antimuscarinic) often used to tx COPD; greater improvement in lung fxn.

 

SE - pupillary dilation & cycloplegia (on contact)

Term
Ipratropium
Definition

Cholinergic antagonist - Bronchodilator;

Competitive blockade of muscarinic receptors;

↓ airway SM constriction, ↓ mucous secretion, enhance the effects of β2-mediated bronchodilation;

 

Quarternary compound, poorly absorbed, no significant systemic effects.

 

Tx: Asthma, COPD

Combination agents (β2 + antimuscarinic) often used to tx COPD; greater improvement in lung fxn.

 

SE - pupillary dilation & cycloplegia (on contact)

Term
Tiotropium
Definition

Cholinergic antagonist - Bronchodilator;

Competitive blockade of muscarinic receptors;

↓ airway SM constriction, ↓ mucous secretion, enhance the effects of β2-mediated bronchodilation;

 

Tx: Asthma, COPD

Combination agents (β2 + antimuscarinic) often used to tx COPD; greater improvement in lung fxn.

 

SE - pupillary dilation & cycloplegia (on contact)

Term
Theophylline
Definition

Methylxanthine - Bronchodilator and antiinflammatory;

Inhibits PDE - ↑ cAMP + blocks adenosine receptor = bronchodilation; ↓ release of inflammatory mediators = antiinflammatory;

Chronotropic, ionotropic, ↑ CNS activity, ↑ gastric acid secretion, ↑ SK muscle strength (diaphragm);

 

Tx asthma/COPD; 

 

SE - (10-20ug/mL)- nausea, vomiting, HA, nervousness, insomnia,

(>20ug/mL)- hypoK, hyperglycemia, tachycardia, arrhythmia, NM irritability, seizures

Term
Aminophylline
Definition

Methylxanthine - Bronchodilator and antiinflammatory;

Inhibits PDE - ↑ cAMP + blocks adenosine receptor = bronchodilation; ↓ release of inflammatory mediators = antiinflammatory;

Chronotropic, ionotropic, ↑ CNS activity, ↑ gastric acid secretion, ↑ SK muscle strength (diaphragm);

 

Tx asthma/COPD; 

 

SE - (10-20ug/mL)- nausea, vomiting, HA, nervousness, insomnia,

(>20ug/mL)- hypoK, hyperglycemia, tachycardia, arrhythmia, NM irritability, seizures

Term
Cromolyn sodium
Definition

Chromolyn - Anti-inflammatory;

Alters Cl- channel activity, ↓ mast cell degranulation, acts on eosinophils to ↓ inflammation, acts on airway nn to inhibit cough, ↓ bronchial hyperactivity;

 

Tx asthma,COPD;

 

SE - No systemic toxicity! Bad taste, irritation of trachea (cough/bronchospasm)

Term
Nedocromil
Definition

Chromolyn - Anti-inflammatory;

Alters Cl- channel activity, ↓ mast cell degranulation, acts on eosinophils to ↓ inflammation, acts on airway nn to inhibit cough, ↓ bronchial hyperactivity;

 

Tx asthma,COPD;

 

SE - No systemic toxicity! Bad taste, irritation of trachea (cough/bronchospasm)

Term
Beclomethasone
Definition

Inhaled Glucocorticoid - Anti-inflammatory;

↓ production of inflammatory cytokines; ↑ production of anti-inflamm proteins; ↓ mucus secretion, ↓ bronchial hyperactivity;

 

Tx asthma, COPD;

 

SE - candidiasis, hoarseness, dry mouth, ↓ bone density, ↓ growth rate (kids), CUSHINGOID SYNDROME

Term
Budesonide
Definition

Inhaled Glucocorticoid - Anti-inflammatory;

↓ production of inflammatory cytokines; ↑ production of anti-inflamm proteins; ↓ mucus secretion, ↓ bronchial hyperactivity;

 

Tx asthma, COPD;

 

SE - candidiasis, hoarseness, dry mouth, ↓ bone density, ↓ growth rate (kids), CUSHINGOID SYNDROME

Term
Triamcinolone
Definition

(Amcort)

Inhaled Glucocorticoid -

Anti-inflammatory; ↓ production of inflammatory cytokines; Inc prod of anti-inflamm proteins; ↓ mucus secretion, ↓ bronch hyperactivity;

 

Tx asthma, COPD;

 

SE - candidiasis, hoarseness, dry mouth, ↓ bone density, ↓ growth rate (kids), CUSHINGOID SYNDROME

Term
Fluticasone
Definition

(Flonase)

Inhaled Glucocorticoid - Anti-inflammatory;

↓ production of inflammatory cytokines; ↑ production of anti-inflamm proteins; ↓ mucus secretion, ↓ bronchial hyperactivity;

 

Tx asthma, COPD;

 

SE - candidiasis, hoarseness, dry mouth, ↓ bone density, ↓ growth rate (kids), CUSHINGOID SYNDROME

Term
Ciclesonide
Definition

Inhaled Glucocorticoid - Anti-inflammatory;

↓ production of inflammatory cytokines; ↑ production of anti-inflamm proteins; ↓ mucus secretion, ↓ bronchial hyperactivity;

 

Tx asthma, COPD;

 

SE - candidiasis, hoarseness, dry mouth, ↓ bone density, ↓ growth rate (kids), CUSHINGOID SYNDROME

Term
Prednisone
Definition

Oral Glucocorticoid

Anti-inflammatory; ↓ # of circulating lymphocytes eos, monocytes and basophils, ↓ production of inflammatory proteins (TNF, IL1, IL6); ↑ production of anti-inflammatory cytokines; ↓ mucus secretion, ↓ bronchial hyperactivity;

 

Tx: asthma, COPD; RA (relief of symptoms until other drug actions set in)

 

SE - Glucose intolerance, ↑ BP, weight gain, ↓ bone density, ↓ growth rate (kids), Cataracts, ↑ risk of infection, CUSHINGOID SYNDROME

Term
Prednisolone
Definition

Oral Glucocorticoid

Anti-inflammatory; ↓ # of circulating lymphosites eos, monocytes and basophils, ↓ production of inflammatory proteins (TNF, IL1, IL6); ↑ production of anti-inflammatory cytokines; ↓ mucus secretion, ↓ bronchial hyperactivity;

 

Tx: asthma, COPD; RA (relief of symptoms until other drug actions set in)

 

SE - Glucose intolerance, ↑ BP, weight gain, ↓ bone density, ↓ growth rate (kids), Cataracts, ↑ risk of infection, CUSHINGOID SYNDROME

Term
Monteleukast
Definition

(Singulair)

Leukotriene receptor blocker, Blocks LTD4;

Anti-inflammatory;

↓ bronchial reactivity/constriction, ↓ mucosal secretion, ↓ airway inflammation;

 

Tx: asthma (aspirin-induced);

 

SE - GI, URI, nausea, laryngitis, pharyngitis, sinusitis, otitis and viral infections

Term
Zafirlukast
Definition

Leukotriene receptor blocker, Blocks LTD4;

Anti-inflammatory;

↓ bronchial reactivity/constriction, ↓ mucosal secretion, ↓ airway inflammation;

 

Tx: asthma (aspirin-induced);

 

 SE - GI, HA, ↑ liver enzymes, CANCER RISK

Term
Zileuton
Definition

Leukitriene Synthesis inhibitor - Anti-inflammatory; Inhibits 5-lipoxygenase and LT formation (LTB,C,D,E -4); ↓ SM contraction, ↓ blood vessel permiability (leukocyte migration);

 

SE - ↑ hepatic enzymes (watch w liver fxn tests), CYP1A2 substrate and inhibitor (interaction w theophylline and others)

Term
Omalizumab
Definition

Anti-IgE - Humanized antibody;

Binds IgE preventing IgE-mediated release of inflammatory mediators (↓ allergic response)

 

Tx: severe allergic asthma (step 5/6 tx, slide 32);

 

SE - Serious allergic rxns (anaphylaxis), cold symptoms, injectin site reaction, Possible CV complications (MI/CAD)

 

Avoid concurrent agents

Term
Methylprednisolone
Definition

Corticosteroid - Immunosuppressor;

 

Low dose- ↓ inflammatory cytokines,

high dose - ↑ anti-inflamm proteins; Inhibits T&B cells;

 

Tx: Short-term use as an antiinflammatory;

 

SE - CNS confusion, psychosis, HPA suppression, steroid withdrawal syndrome

Term
Calcitonin
Definition
Adjuvant for analgesia/opioids; esp. for pain due to bone metastasis
Term
Phenytoin
Definition

Adjuvant for analgesia/opioids;

 

Tx: neuropathic pain (damage or infiltrate)

Term
Clonazepam
Definition

Adjuvant for analgesia/opioids;

 

Tx neuropathic pain (damage or infiltrate)

Term
Amitriptyline
Definition

Adjuvant for analgesia/opioids;

TCA

 

Tx neuropathic pain (damage or infiltrate)

Term
Desipramine
Definition
Adjuvant for analgesia/opioids; tx neuropathic pain (damage or infiltrate)
Term
Clonidine
Definition

Centrally and presynaptically-acting α2 agonist (dec Ca2+ influx and thereby dec vessicle release of NT)

 

Used as an adjuvant for analgesia/opioids; enhances opioid analgesia

Tx: opiate addiction in an outpatient setting (effective tx of craving, piloerection, anxiety and agitation)

 

SE: Dry mouth, sedation, constipation

Term
TNF-α
Definition

Key role in the pathology of RA (elevated levels in synovial fluid of RA pt)

 

TNF stimulates Macrophages

 

Macrophages produce inflammatory mediators: more TNF, IL-1 and IL-6

 

These inflammatory mediators induce Chondrochytes (cartilage degeneration), Sinoviocytes (articular inflammation) and osteoclasts (bone resporption) and fibroblasts.

Term
Tocilzumab
Definition

DMARD

Monoconal Ab against the IL-6 Receptor

 

IV admin.

 

Tx: RA

Can be used in combination with methotrexate

Term

Histamine

Pulmonary Effects

Definition

Mediated primarily by H1 (some H2)

 

H1 Receptors are located on airway smooth muscle (bronchoconstriction), on Postcapillary Venules (microvascular leakage), and on the mucociliary cells (mucus secretion and ↑ ciliary beat frequency)

 

H1 and H2 receptors are located on airway blood vessels and mediate Vasodilation.

Term
Gastric Effects of Histamine
Definition

Direct Pathway

Ach, Gastrin, and Histamine stimulate the parietal cells to trigger the release of Gastric Acid

 

Indirect Pathway

Ach and/or Gastrin stimulate ECL cells which triggers the release of histamine.

Histamine then acts on the parietal cells via the direct pathway to stimulate gastric acid release.

Term
Neurological Effects of Histamine
Definition

H1, H2, and H3 receptors are located throughout the brain.

Mediate nociception, satiation, arousal, and other cognitive functions.

Controls the release of pituitary hormones.

 

H1 receptors are located in the neocortex, cingulate cortex, orbital cortex and amygdala.

 

H2 receptors in the Striatum, cerebral cortexm and amygdala.

 

H3 receptors are the key neuro receptors and are autoreceptors. Located in the Striatum and Frontal Cortex.

Term
Vascular Effects of Histamine
Definition

Via H1 receptors

Smooth muscle constriction (vasoconstriction), dilation of the endothelum and precapillary arterioles/postcapillary venules (rapid/short-term increased capillary permiability)

 

Via H2

Smooth muscle dilation (vasodilation), slow0onset and persistant dilation of arterioles and venules.

Term
Tripelennamine
Definition

1st Gen antihistamine - Ethylendiamine derivative;

Sedative, anti-emetic, anticholinergic;

 

Tx allergies, hay fever, rhinitis, urticaria, insect bites, motion sickness & vertigo (antiemetic);

 

SE - GI upset, sedation, dystonia, exacerbation nasal congestion, anticholinergic effects (↑ hr, pupillary dilation, urinary retention);

CI - asthma

Term
Terfenadine
Definition

2nd Gen antihistamine - Piperdine derivative;

Longer duration, non-sedating, no anticholinergic fxn, SAFE for asthmatics;

 

Tx allergy, hayfever, rhintis, urticaria, insect bites, contact flora;

 

SE - mild congnitive disturance, some appetite stimulation

Term
Tripelennamide
Definition

1st gen antihistamine; Ethylenediamine derivative;

Sedative, anti-emetic, anticholinergic;

 

Tx: allergies, hay fever, rhinitis, urticaria, insect bites, motion sickness & vertigo (antiemetic);

 

SE - sedation, dystonia, nasal congestion;

CI - asthma

Term
Name the 3 chief endogenous opiates and the receptors they primarily act upon.
Definition

Enkephalin (OP-1, delta)

 

Dynorphin (OP-2, kappa)

 

β-endorphin (OP-3, mu)

Term
Ketamine
Definition

"Special K" - street drug related to angel dust

NMDA receptor blocker

 

Tx: Used preemptively to prevent surgery-induced sensitization, neuropathic/severe pain, cough suppression

 

SE: Hallucinations, amnesia, CV pressor effects (cause ↑ ICP)

Term
Carbamazepine
Definition

Na+ Channel Blocker (blocks transmission of pain signals along neurons)

 

Tx: Trigeminal Neuralgia and as an anti-convulsant

Term
Side effects of Opiates
Definition

Behavioral restlessness (dysphoria), Somnolescence/Mental clouding, Sedation, Respiratory Depression, Antidiuresis, Nausea/Vomiting, Iching aroudn the nose, postural HypoT.

 

Bradycardia

 

Miosis, Convulsions (inc ICP), Constapation

Term
Heroin
Definition

Weak MuOR agonist

Metabolized to Morphine (strong MuOR) and 6-MAM

Undergoes extensive first pass metabolism to morphine, IV admin eliminates this (bigger high).

 

Highly addictive

 

SE - dependance/addiction, constapation

 

Due to metabolism, high levels of morphine (not heroin itself) will be found in the urine tox screen (EIA) of a person on heroin (>15,000 ng/ml) with high Morpine:Codine ratios (>2:1, normally much greater, indicates heroin or poppyseed over morphine alone)

Term

What can be detected by EIAs?

What cannot?

Definition

EIA: Enzymatic Immunoassays (Ab-based test used in standard urine tox screens)

 

Detects: Morphine, Heroin (6-MAM), Hydrocodone and Codine

*Heroin and Codine identified based on ratio of Morphine:Codeine based on their metabolism (>2:1 = heroin, <2:1 =Codiene)

 

Cannot detect synthetic/semisynthetic opiates: Oxycodone and hydromophone

Term
What can produce a false-positive EIA for morphine?
Definition

Poppy seeds

 

Fluroquinilone Abx*

Term
Gabapentin
Definition

Binds the α-2-δ subunit of V-gated Ca2+ channels causing them to be internalized.

Can reduce the hypersensitization effects of Ca2+ channel upregulation that can occur in central pain sensitization.

PO admin, renal excretion

 

Tx: pain (ancillary, w/opiates, particularily useful for neurogenic and/or post-stroke pain)

Term
Lamotrigene
Definition

Ancillary drug for pain

Blocks V-gated Na+ channels decreasing the propogation of pain signals. Blockades synaptic transmission in trigeminal nucleus.

 

Tx: Neuropathy, stroke, MS, phantom limb syndrome, trigeminal neuralgia.

 

SE: BLACK BOX: Steven-Johnson Syndrome (potentially fatal epidermal necrolysis)

Diplopia, dizziness, drowsiness.

Suicidal Ideation*

 

Induces its own CYP metabolism!

Watch in liver failure pt. Also, dose escalation is often required.

Term
TCA
Definition

Ancillary drug for tx pain (used w/ opiates); useful as chronic pain is often associated with major depression;

Inhibits NE and 5-HT reuptake

 

SE: CYP2D6 interactions (watch with Codiene), dizziness, HA, drwosiness, memory impairment.

 

Drugs ending in "-ine": Amytryptyline, Nortriptyline, Ipramine, Dispiramine

Term
Nortriptyline
Definition

Adjuvant for analgesia/opioids;

TCA

 

Tx neuropathic pain (damage or infiltrate)

Term
Imipramine
Definition

Adjuvant for analgesia/opioids;

TCA

 

Tx neuropathic pain (damage or infiltrate)

Term
Diphenoxylate
Definition

Rx Opiate agonist

 

Tx: Diarrhea

 

No analgesia at recommended dose but high doses have CNS effects and addiction potential.

Commercial preparations contain atropine to discourage this.

Term
Percocet
Definition

Oxycodone + Acetaminophen

 

New limits on how much acetaminophen can be included (severe liver damage potential)

Term
Vicodin
Definition

Hydrocodone + Acetaminophen

 

Acetaminophen component has recently been limited due to its potential to cause severe liver damage.

Term
Why can Epsom Salts be used to tx pain?
Definition

Contain Mg2+

 

Mg is a key regulator of the NMDA receptor which mediates pain signals.

 

Other Herbal Pain Remedies

Capsacin (topical pain relief), Cod-liver oil (systemic musculoskeletal pain relief), Devil's Claw (oral, arthritic pain) and White Willow (Oral, for low-back pain)

Term
Hydrocodone
Definition

MuOR agonist

 

Tx: Pain

 

Opiate SE

Term
Alfentanil
Definition

MuOR agonist

 

Tx: Pain

 

Opiate SE

Term
Sufentanil
Definition

MuOR Agonist

 

Tx: pain

 

Opiate SE

Term
Levorphanol
Definition

MuOR Agonist

 

Tx: Pain

 

Opiate SE

Term
Cushingoid Syndrome
Definition

Seen as a SE of Glucocorticoid use

 

Weight gain (abdomen/face), moon face, buffalo hump.

Thinning and weakness of the arms and legs.

Thin skin with stretch marks and easy brusing. Acne, ruddy complexion, neck skin darkening (acanthosis).

Facial hair growth and loss of scalp hair in women.

Childhood obesity and poor growth.

 

High BP*

 

 

Supporting users have an ad free experience!