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VT-205 Midterm 2
Material for midterm 2
229
Veterinary Medicine
Professional
10/21/2015

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Term
Tetracyclines
Definition
Bacteriostatic, inhibits protein synthesis. Resistance develops slowly. Very broad spectrum antibiotic. Metabolize by liver and undergos enterohepatic recirculation.

Most absorbed orally, on empty stomach. Don't give to pregnant animals. Can cause permanent staining of teeth in young animals.

Well distributed to many tissues, will deposit in calcified tissue.
Term
What metals does tetracyline not go well together?
Definition
Ca, Mg, Al, Fe.
Term
Why shouldnt tetracycline be given im?
Definition
Can cause irritation and tissue damage to occur
Term
What is the animal version of Chlamydia?
Definition
Chlymydophilia
-Bovis, felis, ovis, etc
Term
4 types of tetracyclines
Definition
1. Tetracycline HCL (Panmycin): for mycoplasma.

2. Chlortetracycline (Auremycin): H2O soluble.

3. Oxytetracycline (Terramycin): Injectable. For salmon poisoning disease.

4. Doxycycline + minoycline: More lipid soluble, long lasting. Less chelation. Can use in young animals.
Term
Tetracycline side effects
Definition
Allergy, V/D, renal toxicity, hepatotoxicity, staining in teeth if given to young animals.

Shock/hemolysis if mixed with propylene glycol/pvp based products if given too fast IV.

Ca binding can cause cardiac arrythmias if given too fast IV.

Dont use outdated PVP products. Can cause nephrotoxicity
Term
Why must we becareful about given doxycycline capsules to cats orally?
Definition
Can cause inflammation of esophagus.
Term
Marcolides/Linosamides
Definition
True antibiotic, penicillin substitution
Cross resistant to each other, similar broad spectrum activity.
Term
Types of macrolides/lincosamides
Definition
1. Erythromycin: Tablet

2. Lincomycin: Injectable. H2O soluble. Skin infections

3. Clindamycin (Antirove, Cleocin): Penetrates bone, toxoplasmosis, bone infections.

4. Erythromycin Lactobionate: Injectable

5. Gamitromycin (Zactram): Respiratory disease

6. Azithromycin (Zithromax): ~20% dogs/cats vomit

7. Tylocin (Tylan): Feed additive (not legal). Useful for giardia.

8. Tilmicosin (Micotil): Injectable, SQ in cattle. Very cardiotoxic
Term
Erythromycin
Definition
Mosst effective on gram + bacteria. Don't use in rodents/rabbits.

Cocci: staph, strep
Bacilli, pasturella, brucella, bordetella, campylobactor, chlamydia, mycoplasma

Side effects:Causes 20% of dogs/cats to vomit. Rxn when given IM. GI disturbance in ruminants, rodents, rabbits.
Term
Lincomycin/Clindamycin
Definition
Dental disease. Anaerobic. Use for bone infections and Osteomyelitis

Side effects: Vomiting, local rxn when given IM, Bad GI effects in ruminants, horses (colic!), rabbits, sheep
Term
Aminoglycosides
Definition
Voluntary ban on large animal side. Use for gram - anaerobes.
Absorption: None-very little oral absorption. Retain activity in gut

Distribution: High concentrations found in renal cortex and endo/perilymph of inner ear.
Residues found in cattle 12-18 months after administration.

Dose adjustments must be made for renal failure patients
Term
Types of aminoglycosides
Definition
1. Streptomycin: Very toxic, limited use

2. Gentamicin: Injectable. Toxic @ hi-levels

3. Amikacin: Least toxic. Gram - bacteria

4. Neomycin: Topical and oral use (oral use out of favor)
Term
Aminoglycosides side effects
Definition
1. Ototoxicity: head tilt. Lead to progressive destruction of vestibular/cochlear sensory cells

2. Nephrotoxicity: Monitor creatinine levels

3. Neuromuscular blocking action at high doses. Stop breathing. Avoid use with GA and neuromuscular blocking agents.
Term
Chloramphenicol
Definition
Banned for use in large animals. H2O soluble.

Absorption: succinate salt is H2O soluble and used for IV, IM, SC route

Distribution: readily crosses all membranes, distributes thru-out body
Significant CSF levels are achieved in normal or inflamed meninges
Term
Types of Chloramphenicols
Definition
1. Osurnia: topical ear med. Give SID weekly

2. Florfenicol: shipping fever
3. Terbinfine
4. Bethamethesone
Long acting cortisol
Term
Chloramphenicol side effects
Definition
Vomiting, Diarrhea.
Stem cells in rare cases may be destroyed, resulting in irreversible aplastic anemia
Term
Types of fluorinated quinolones
Definition
Broad spectrum. NO anaerobes.

1. Enrofloxacin (baytril): Flex dosage in dogs only.

2. Orbifloxacin (Orbax)

3. Digloxicin (Dicural)

4. Marbofloxacin (Zeniquin)

5. Ciprofloxacin (Cipro-HL)

6. Pradofloxacin (Vereflex): Mycoplasmosis
Term
Max dose of Enrofloxacin (baytril) in cats
Definition
5 mg/ kg. May cause cats to go blind.
Term
fluorinated quinolones side effects
Definition
Cautionary use in dogs during rapid growth phase (0-8 mos) or more in large breeds due to cartilage damage.
Vomiting
Term
Nitrofurans
Definition
Banned in food animals.
Use: Giardia
Comes in topical, ointment, spray.

Other types: Novobiocin
Term
Furoxone liquid kills what?
Definition
Giardia
Term
Delta Albaplex (and 3x)
Definition
Tetracycline, novobiocin, and prednisolone combo. Use in kennel cough.
Term
Rifampin (Rifadin, Rimactane, Isonizid)
Definition
For real deep abcesses, TB, Leprosy
Term
Pollevil
Definition
Abcess on top of head. (horses)
Term
Fistulus whithers
Definition
Deep abscess. Brucella
Term
Polymixins B
Definition
Kills Gram - bacteria
Nephrotoxic and neurotoxic

Can use with Bacitracin topically
Term
Bacitracin
Definition
Kills gram + bacteria

Nephrotoxic

Can use with Polymixins B topically
Term
Antifungal topical drugs
Definition
Treatment of fungal infections (Dermatophytes), microbials

1. Capravet (off market)
2. I compounds
3. Chlorhexidine
4. Lime-sulfur shampoo + dips
5. Imidazoles
6. Thiabendazole
Term
Imidazoles
Definition
Broad spectrum activity against fungi.
Term
Types of Imidazoles
Definition
1. Miconazole
2. Clotrimazole (Lotramin)
3. Ketoconazole (Nizoral)
4. Enilconazole (Econazole)
5. Terbinafine (Lamisil)
Term
Thiabendazole
Definition
Labeled for ringworm, but rarely used for it. In Treasaderm
Term
What antitopical agents don't work on ringworm?
Definition
1. Panalog-mystatin, neomycin, thistrepton, triamcinoline
Term
Griseofulvin
Definition
Oral med. Old. Varying dosages, long but slow acting

Fatty meals increase absorption
Teratogenic in cats and dogs, don't give to pregnant animals
Term
Amphotericin B and nystatin
Definition
Given IV, toxic, for bad systemic fungal infections
Term
Nystatin
Definition
No DTP, suppository, topical, endogenous infection.

Used orally for Candida infections which are common in FIV cats.
Term
Imidazoles (ketoconazole, miconazole) and Itraconazole (Sporonox)
Definition
Broad spectrum of activity against fungi, includes DTP and yeasts
Term
Imadazole toxicities
Definition
Anorexia, vomiting, diarrhea.

Inhibits steroid biosynthesis. (Cortisol, good for cushings). Ketoconazole
Term
Fluconazole (Diflucan)
Definition
5 mg/kg per day

Antifungal, broad spectrum
Term
Metronidazole (Flagyl)
Definition
Anti-protozoan. Kills Giardia. Effective against anaerobic bacteria.

May be teratogenic, nausea if taken with alcohol
Term
Types of anti-protozoal drugs
Definition
1. Metronidazole
2. Quinacrine (Atabeine)
3. Fenbendazole (Panacur)
4. Nitazoxanibe (Alinia) For cryptosporidium
Term
Benzimidazoles
Definition
Anti-parasitic. Effective on most nematodes, Taenia tapeworm.
Not effective against tapeworms.
Term
Albendazole (Valbazen)
Definition
Type of benzimidazole.
Used for liver flukes and giardia.
Term
Fenbendazole (Panacur, safegaurd)
Definition
Type of benzimidazole. Non-prescription. Kills giardia
Term
Types of Tetrahydropyrimidines
Definition
1. Pyrantel tartrate
2. Pyrantel pamoate (OTC)
Term
Pyrantel tartrate
Definition
Sm and lg animal use. Does not work for whipworm, tapeworm.

Kills ascarids. Sensitive to light.
Term
Strongid C (pyrantel tatrate for horses)
Definition
Use in small animals cheaper when diluted. Use in higher doses in cats unless diluted.

Fast GI tract, needs contact time with worms, have to increase dose to increase transit time
Term
Praziquantel
Definition
Purgatives, stuns the worm, gets all over. OTC, kills all tapeworms. Can be used for nanophyetes.
Term
Pyrantel pamoate
Definition
Drontal: removes roundworm
Drontal plus: removes roundworm, whipworms
Term
Epsiprantel (Cestex)
Definition
Other tapeworm drug. Give in 1 dose, recheck for fleas 3 wks later.
Term
What ingredient in Profender kills ascarids (hookworms and roundworms)?
Definition
Emodepside
Term
What ingredient in Profender kills tapeworms?
Definition
Praziquantel
Term
Levamisol
Definition
Ascarid drug in lg animal. OLD.
Has ability to alter immune system
Term
Types of Anti-coccidiosis drugs
Definition
1. Amprolium
2. Sulfonamides (Albon): kills mature coccidia
3. Tetracyclines: kills mature coccidia
4. Monensin sodium: anti-coccidiosis side effect

Overlaps with feed efficiency
Term
Types of anti-liver fluke drugs
Definition
1. Clorsulon: Ivomec plus kills ascarids.

2. Albendazole (Valbazen)
Term
Albendazole (Valbazen)
Definition
Broad spectrum. Kills intestinal worms, lung worms, tapeworms, liver flukes, giardia.

Can cause liver failure. Last resort.
Term
Macrocyclic lactones (Avermectins)
Definition
Inhibits electrical activity of nerve cells in nematodes and muscle cells of athropods, causing paralysis and death
Term
Ivermectin (horses)
Definition
Large and small strongyles. Ascarids too.
Dose: 200 mcg/kg. Avail as paste or liquid.

Can dilute with IV fluids for weaker infections to decrease side effects. Very lipid soluble.
Term
Ivermectin (dogs)
Definition
Kills microfilaria.
Dose: 6 mcg/kg orally every 30 days (ok for ABCD1-mutation)
Treatment of heartworm borderline with ABCD1 mutation

Can dilute with IV fluids for weaker infections to decrease side effects. Very lipid soluble.
Term
Ivermectin (Cattle)
Definition
Dose: 200 mcg/kg SQ, 500 mcg/kg as pour on.

Can dilute with IV fluids for weaker infections to decrease side effects. Very lipid soluble.
Can be mixed with clorsulon to treat liver fluke
Term
Acarexx 0.01%
Definition
Ivermectin based producted for treatment of earmites
Term
Milbemycin oxime (Interceptor - Novartis)
Definition
Kills whipworm, ascarids, heartworm

Competitor to hartguard
Term
Eprinomectin (Ivomec-Merial)
Definition
Cattle only. Lasts 100 days.
Kills chewing and sucking lice, maggots
Term
Moxidectin
Definition
Kills ascarids, heartworm.

Dogs: Proheart- Fort dodge
Term
Maquis 15% (Ponazuril)
Definition
Treatment of Equine protozoal myelitis (EPM)
Sarcocystic infection. Lipid soluble, crosses blood brain barrier
Term
Melarsomine (Immiticide)
Definition
Hard to get right now. Kills L5 and adult heartworm.
Tetracycline + Ivermectin combination. Somewhat effective toward heartworm + microfilaria
Term
Amitraz (Mitaban)
Definition
Old, but can be found in several products. Kills Demodex and sarcoptes.
Breakdown of product makes it more toxic overtime, 8x more for dogs. Don't keep it around after exp.

Side effects: Sedation, pruritis, below normal rectal temp, depression, ataxia
Term
Types of insecticides
Definition
1. Pyrethrin (natural)
2. Pyrethroids (synthetic)
3. Cypermethrin
4. Etofenprox (safer alt. for cats)

Can OD: drooling, ataxia, depression, normal dilated pupils
Term
Organophosphates and carbamates
Definition
Contricts pupils. Inhibits acetylcholinesterase (AChE)
Term
Example of organophosphate insecticides
Definition
Malathion. Very toxic grass spray for fleas/bugs. Sprayed 20ft around parameter of house foundation
Term
Example of carbamate insecticides
Definition
Carbaryl (SEVEN)
Term
2PAM
Definition
Rare. Cautionary use. Useful for ONLY organophosphate poisoning. Otherwise will kill animal.
Term
Program (Lufenuron)
Definition
Very first modern flea product from 1995.
Inhibits flea egg formation (chitin)
Have to give baths, lipid soluble.

Has no effect on adult fleas
Term
Sentinel (Milbemycin oxime + lufenuron)
Definition
Use in dogs and puppies.
Lufenuron: Kills immature/larval/flea eggs
Milbemycin oxime: Kills heartworm larvae, hookworm, roundworm, whipworm

No effect in adult fleas
Term
Lmidacloprid
Definition
Advantage II and K9 Advantix.

Blocks insect nerve receptors. Kills adult fleas, no activity against ticks. Sometimes contains permethrin to kill ticks.

Dont use K9 advantix II on cats!
Term
Amitraz
Definition
Dip to treat demodectic mange. Kills ticks. In collar form.

Dont use Amitraz on cats!
Term
Selamectin
Definition
Revolution.

Blocks nerve signal transmission. Protection against heartworm, fleas, mites, ticks.
Term
Nitenpyram
Definition
Capstar. Kills adult fleas within 30 min-4 hrs, good for maggots too. Use in pregnant or nursing animals. Safe in pups/kittens 4 weeks and older.

Useful for boarding, surgery, grooming or after trip to park
Term
Spinosad
Definition
Trifexis (spinosad + milbemycin) and Confortis

Derived from naturally-occuring bacterium in the soil. Fast acting insecticide. Kills adult fleas.
Term
Fipronil
Definition
Often self-branded. Frontline, Frontline plus, Fiproguard, Firpguard plus.

Blocks passage of chlorine thru cells in insects nervous system, causing paralysis.

Collects in sebaceous (oil) glands of the skin, released back into skin when animal is washed. Kills ticks, adult fleas. Not effective for flea larvae and flea eggs.
Term
Insect Growth Regulators
Definition
Methoprene, pyriproxyfen (Nylar), fenoxycarb

Mimics juvenile growth hormone.

Kills immature form of flea. Does not kill adults
Term
Insect Development Inhibitors
Definition
Lufenuron, diflubenzuron

Inhibits synthesis of chitin.

Kills immature form of flea. Does not kill adults, but can be used with an adulticide (frontline) to work.
Term
Pyrethroids
Definition
Permethrin, phenothrin, etofenprox, fenvalorate.

Many cant be used in cats!
Term
Which Pyrethroid is safe for cats?
Definition
Etofenprox (Bio-spot SPOT ON cats)
Term
Synergists
Definition
Piperonyl butoxide, N-octyl bicycloheptene dicarboxide (MGK 264)

Helps slow degradation of pyrethrins by insect's metabolism.

Added commonly to flea and tick shampoo
Term
Advantix II
Definition
Kills ticks, fleas, mosquitoes, chewing lice.

Repels both immature and adult fleas, mosquitoes, ticks, biting flies

Dont use in cats!
Term
Advantage multi for dogs
Definition
Imadacloprid and moxidectin.

Kills adult adult fleas. Controls ascarids, whipworms, heartworm
Term
Vectra 3d
Definition
Repels and kills fleas, ticks, mosquitoes, lice, sand flies, mites. Also larvae

DONT USE IN CATS
Term
What kinds of worms dont cats get?
Definition
Whipworm (trichuris spp.)
Term
Afloxolaner (Nexgard)
Definition
Soft chewable. Kills adult fleas, ticks (Ixodes) for one month.

Causes hyperexcitation of insect nervous system, resulting in death
Term
Bravecto (furalaner)
Definition
Soft chewable. Kills adult fleas, controls ticks. Given every 3 month.
Term
Seresto collar
Definition
Flumethrin: 4.5% repels and kills ticks (all stages)
Imidacloprid: 10% repels and kills fleas and lice

Safe for cats and dogs. Water-resistant
Term
Certifect
Definition
Topical formation. Dont use in cats.
6.5% Fiprinil
5.5% (S)-Methoprene
7.6% Amitraz

Kills fleas, flea eggs, larvae. Kills ticks faster
Term
Sentinal Spectrum (Milebemycin oxime + lufenuron + praziquantel)
Definition
Chewable. Kills immature heartworms, hookworks, ascarids, whipworms.
Kills immature flea larvae, eggs
Term
Activyl (Indoxacarb)
Definition
Topical. Bioactivation. Uses flea's enzymes to change Activyl into fully active form.
OTC.
Kills adult fleas, eggs, larvae
Term
Cheristin (spinetoram)
Definition
Topical flea control treatment for cats. Kills adult fleas
Term
Frontline Tritak
Definition
Kills fleas, eggs, larvae, ticks, chewing lice on dogs and cats.
In dogs: controls mites that cause sarcoptic mange

OTC
Term
Why shouldnt Fipronil be used on rabbits?
Definition
Can cause delayed seizure rxn
Term
Thiabendazole (Tresaderm)
Definition
Store in fridge. Use for earmites and ringworm.
Term
Does panalog get rid of ringworm?
Definition
No
Term
Milbemite 0.1%
Definition
For ear mites
Term
Motor output
Definition
Can be a stimulant or inhibiting. Received from both Sympathetic and Parasympathetic autonomic nervous system.

PNS to the heart slows it
SNS to the heart speeds it
Term
Sympathetic
Definition
Fight or flight.

Uses epinephrine/norepinephrin (catechlamines)/ dopamine

Have to remove transmitter by diffusion or enzyme destruction to terminate action for response.
Term
Parasympathetic
Definition
Rest and digest

Uses actylcholine

Have to remove transmitter by diffusion or enzyme destruction to terminate action for response.
Term
What do drugs do to the SNS and PNS?
Definition
Either stumulate receptors or block their action, which allows opposing effect to dominate.

Ex: Block PNS = increase effect on SNS and vice versa

-Can be an actual transmitter (epinephrine)
-Interferes with enzymatic destruction of transmitter
-Inhibits transmitter biosynthesis
Term
Parasympathomimetric
Definition
Mimicks. Denotes action similar to PNS stimulation.
Term
Parasympatholytic
Definition
Acts against or interferes with PNS response.
Term
Cholingergic
Definition
ACh is the mediator
Term
Adrenergic
Definition
Epinephrine, norepinephrine are mediators
Term
Dopaminergic
Definition
Dopamine is the neurotransmitter
Term
Chronotropism
Definition
Increases speed of heart rate
Term
Inotropism
Definition
Increase force of the ventricles of the heart
Term
Types of direct receptor activator Cholinergics
Definition
1. Acetylcholine
2. Carbachol
3. Bethanechol (Urecholine)
4. Pilocarpine
5. Metoclo pramide (Reglan)
6. Cisapride (Prepulsid)
Term
Acetylcholine
Definition
Too short of half life. Slows heart via mimicking vagal stimulation. Increase GI motility and secretion. Constriction
Term
Bethanechol (Urecholine)
Definition
Used to increase urinary bladder tone in cats with bladder atony.
Orally causes salivary and lacrimal gland secretion. Used for dry-eye, KCS.

Have to be careful, can burst bladder if stones inside. Unblock cat first.
Term
Pilocarpine
Definition
Alkaloid of botanical origin. GREEN COLORED TOP

Causes miosis (pupil constriction). Used in glaucoma. Orally causes salivary and lacrimal gland secretion.
Term
Metoclo pramide (Reglan)
Definition
Sensitizes upper GI smooth muscle to affects of ACh, stimulating motility. Used for parvo. Injectable, tablet, syrup

Blocks vomiting in brain.

GI+ SI causes contraction/parastalsis. Pyloric valve + SI work together. No colon/purgative activity.
Term
Cisapride (Prepulsid)
Definition
Used for megacolon in the cat to stimulate motility.
Term
Types of indirect receptor activator Cholinergics
Definition
Reversible
1. Physotigmine (Eserine)
2. Neostigmine (Stglyn)
3. Edrophontum (Tensilon)
4. Pyridostigmine (Mestinon)

Irreversible
1. Organophosphorus insecticide
2. SLUD (Salivation, Lacrimation, Urination, Defecation, Dyspnea, Emesis)
Term
Physotigmine (Eserine)
Definition
Reversible. Botanical alkaloid.
Causes miosis (constriction) and direct muscle stimulation.

Treats anticholinergic overdose. Also Ivermectin overdose.
Term
Neostigmine (Stglyn)
Definition
Reversible. Synthetic used to stimulate GI motility. Purgative.
Term
Edrophonium (Tensilon)
Definition
Reversible. Short acting drug used to diagnose myasthenia gravis and treat atrial tachycardia.
Term
Myasthenia gravis
Definition
Antibodies against acetylcholine. Very rare autoimmune disease
Term
Pyridostigmine (Mestinon)
Definition
Reversible. Longer duraction, used to treat myasthenia gravis
Term
Organophosphorus insecticides
Definition
Often used in flea products. Some forms are very toxic to mammals.
Ex: Malathion, nerve gas
Term
SLUD
Definition
Seizures, miosis.

Salivation, Urination, Defecation, Dyspnea, Emesis
Term
2PAM (Protopam)
Definition
Cholinesterase reactivators. Used to treat organophosphate, but not carbamate or pyrithrin toxicity.

Look for pinpoint pupils. Rarely stocked, can kill.
Term
Cerenia (Zoetis)
Definition
Maropitant. Neurothin R blocker. Central acting antiemitic.

Motion sickness = 8 mg/kg
Vomiting = 1 mg/kg

Tablets and injectable
Term
Cholinergic blocking agents
Definition
1. Atropine
2. Glycopyrrolate
3. Aminopentamid (Centrine)
4. Mydriacyl 1% (Tropicamide)
5. Scopalamine
6. Buscopan
Term
Atropine
Definition
Wide eyes. Belladonna (night shade) alkaloid.

Competitive antagonism for cholinergic receptors. Has effect on CV, Resp, GI, and eyes

Can dilute human dose of atropine (0.4 mg/kg)
Toxin antidote: 15mg/ml injectable.
0.2-2 mg/kg
Term
Atropine effects on the cardiovascular system
Definition
Blocks vagal effects on the heart, increasing HR and strength of contraction.

Used as pre-anesthetic to guard against reflex hypotension and bradycardia
Term
Atropine effects on the respiratory system
Definition
Decreases mucus secretion and salivation.

Dilates bronchioles to improve air exchange. Used to diagnose COPD and asthma in horses

Inhibits sweating
Term
Atropine effects on the GI system
Definition
Anti-diarrhea. Decrease instinal tone and motility
Decreased gastric and salivary secretions.
Term
Atropine effects on the eyes
Definition
RED TOP
Mydriasis (pupil dialation). Relaxes cillary muscles in eyes.
Inhibits sensory receptors of skin and cornea when used locally.

Comes in eyedrops and ointment form. Good for corneal ulcers and corneal pain.
Term
Glycopyrrolate (Robinul V)
Definition
Alternative to Atropine. Longer lasting, 7-10 hrs
Term
Aminopentamide
Definition
Decreases GI motility. 50% effecacy
Antimetic and antidiarrheal agent
Term
Mydrialyl 1% (Tropicamide)
Definition
Used to dilate the eyes
Term
Scopalamine
Definition
Antidiarrhea
Term
Buscopan
Definition
Given IV. Spasmolytic. Used for horses with colic. 0.3mg/kg FDA approval for horses.
Term
Types of Adrenergics (sympathomimetics)
Definition
1. Alpha-1 + 2
2. Beta-1
3. Beta-2
4. Dopaminergic-1 (Da-1)
5. Dopaminergic-2 (Da-2)
Term
What do alpha-1 and 2 receptors do?
Definition
Constrict arteries and veins. Causes uterine contractions and slightly increases force of the heart.

Skin and viscera only! No muscle
Term
What do beta-1 receptors do?
Definition
Increases force of contraction and speed of the heart. Allows heart to keep regular rhythm
Term
What do beta-2 receptors do?
Definition
Dilates arteries and bronchioles. Relaxes GI tract and uterus
Term
What do dopaminergic receptors do?
Definition
Dilates mesenteric, visceral, and renal arterioles (Coronary artery).
Effects muscle
Term
What do DA1 receptors do?
Definition
Stimulates CNS and heart. Increases blood flow.
Term
What do DA2 receptors do?
Definition
Can cause sedation.
Term
Epinephrine (Adrenalin)
Definition
Don't use past exp date! Doesnt work very well.
Type of chotecholamine biosynthesized from tyrosine. Stimulates all adrenergic receptors except dopamine receptors.
Term
What effect does epinephrine have on the heart?
Definition
Beta-1. Increases SA node firing. Increases contractibility and makes it easier for heart to do. Used in cardiac arrest and ventricular fibrilation (spasm)
Term
What effect does epinephrine have on blood vessels?
Definition
Beta-2. Dilates coronary and other muscle vessels (constricts skin and visceral vessels). Alpha-effect
Term
What effect does epinephrine have on the respiratory tract?
Definition
Beta-2. Dilates bronchioles. Used for asthma attacks.
Term
What effect does epinephrine have on the adrenal glands?
Definition
Increased cortisol production and increased blood glucose by increasing ACTH
Term
How is epineprhine administered/absorbed?
Definition
Avail. in 1:1,000 or 1:10,000 injectable soln. Well absorbed IM, IV, not well absorbed SQ
Term
Isoproterenol (Isopropylnorepinephrine, Isuprel)
Definition
Very potent vasiodilator and bronchodilator. Use for migraines in humans
Term
Dopamine (Intropin)
Definition
Positive inotrope (increase force of contraction) and mild increase heart speed. Can cause some decrease in blood pressure due to vasodilation. Used in IV due to short half-life.
Term
Dobutamine (Dobutrex)
Definition
Similar drug, very strong inotrope (b-1). No change in blood pressure. Dilates renal and Mesenteric vessels. Trauma, short term management for cardiac failure.
Term
Which of the following are bronchodilators?
Definition
1. Turbutaline
2. Albuterol
3. Clenbuterol
Term
Phenylephrine (Neosynephrine)
Definition
Potent alpha stimulator
Used as nasal decongestant and to dilate pupils.
Term
Terbutaline (Bricanyl)
Definition
Beta-2 agonist. Used to dilate bronchioles in asthma therapy.
Term
Albuterol (proventil)
Definition
Beta-2 agonist used to dilate bronchioles
Term
Ephendrine (Preimattine mist)
Definition
Beta-agonist. Mostly alpha stimulation with some positive inotropic and chronotropic effects.
Some bronchial dilation. Marked CNS stimulation.

Rarely used. Controlled substance.
Term
Clenbuterol
Definition
No use in food animals or race horses. FDA approved for non-race horses for asthma
Term
Xylazine (Rompun)
Definition
Selective alpha-2 agonist. Sedative

emetic drug for cats.

Reversal: Yohimbine, Tolazine
Term
Phenylpropanolamine (Dexatrim)
Definition
1. Alpha-1 agonist, antihistamine, decongestant

2. CNS: suppresses appetite.

3. Used in dogs for primary sphincter urinary incompetence. Better tone = better closure. Moderately effective.
Term
Incurin
Definition
Estriol. Urinary metabolite. 93-95% effecacy as estrogen.
Not controlled for incontinence. Dose as low as possible.
Dog will act like in heat, attract males.
Term
Drugs that mimic adrenergic stimulation
Definition
1. Aminophylline: short acting. Bronchodilator

2. Theophylline: Long acting. Bronchodilator

3. Caffeine: Bronchodilator
Term
Types of alpha-adrenergic blockers
Definition
1. Ergotamine
2. Tolazoline (Priscoline)
3. Prazosin (Minipress)
4. Yohimbine (Yobine)
5. Phenoxybenzamine (Dibenzyline)
6. Phenothiazine
Term
Ergotamine
Definition
Derived from fungus. Non-alpha effect.

Smooth muscle contraction via direct action.

Vasocontriction, uterine contraction can cause sloughing of extremities and abortion in ergot poisoning.
Term
Tolazoline (Priscoline)
Definition
Alpha-blocker. Used for vasodilation.

Reverses effects of Xylazine
Term
Prazosin (Minipress)
Definition
Alpha-1 antagonist.

Causes vasodilation and lowers blood pressure. Good for relaxing spasms in plugged cats.
Term
Yohimbine (Yobine)
Definition
Alpha-2 antagonist.

Reverses effects of Xylazine
Term
Phenoxybenzamine (Dibenzyline)
Definition
Used for as an antihypertension drug. Controls bladder sphincter. Allows animal to urinate.

Dyssynergia (functional urethral obstruction)
Term
Phenothiazine derivatives (Acepromazine, Chlorpromazine)
Definition
1. Potent antiemetic. Depresses emesis center depression in the brain. Can be given as infuction

2. Tranquilizer

3. Hypotension due to alpha blockage (vasodilation)

4. Can cause epinephrine reversal. Vasodilation and hypotension. Antimedic action.
Term
Types of beta adrenergic blockers
Definition
1. Propanolol (Inderal)

2. Timilol Maleate (Timoptic)

3. Atenolol (Tenormin)
Term
Propanolol (Inderal)
Definition
1. Inhibits response of adrenergic stimulation of B-receptors

2. B-1 and B-2 blocking prevents positive inotropic and chronotropic effects of catecholimines (epinephrine)

3. Negative inotropic effect on heart. Can be used to treat arrhythmias and cats with hyperthyroidism

4. Used to treat Digitalis toxicity
Term
Timilol Maleate (Timoptic)
Definition
Non-selective beta-blocker used to reduce intraocular pressure. Treat glaucoma

Reduction of aqueous humor production
Term
Atenolol (Tenormin)
Definition
Slows rate of heart.
Used to treat hyperthyroidism
Used for atrial and ventricular arrythmias
Term
Betaxolol 0.5%
Definition
Beta-1 blocker
Term
NSAIDS
Definition
Anti-infammatory

Increase capillary permeability, vasodilation with or without infection
Term
Vascular response of inflammation
Definition
1. Dilation of blood vessels + increased capillary permeability results in leakage of protein rich fluid and blood cells. Cause local edema.

2. Leukocytes migrate from injured blood vessels to tissues via chemotactic chemical mediators released by leukocytes, damaged tissues, platlets (exudate).

3. Phagocytic cells carry out function by phagocytizing or secreting chemicals (enzymes, lymphokines, histamine)

Each chemical has different source and action to facilitate inflammation
Term
Timing of mediators
Definition
1. Serotonin + HA: 2 hrs
2. Kinins: 6 hrs
3. PG's and Leukotrines: Increase for 24 hrs after insult


Pharmocologic control is aimed at preventing release of mediators and/or inhibiting their action.
Term
Types of mediators important for course in inflammation
Definition
1. Histamine/Basophil
2. Serotonin
3. Lysosomal contents
4. Oxygen radicals
5. Elcosanoids/PG's/Leukotrienes
6. Platelet activing factor
7. Kinins
Term
Histamine/Basophil
Definition
Source: Granulocytes, Mast cells

Action: Vasodilation, increased capillary permeability, Paint
Term
Serotonin/neurotransmitter
Definition
Source: Platelets

Action: Vasodilation/constriction. Increased capillary permeability, Pain
Term
Lysosomal contents
Definition
Source: Phagocytes

Action: Increased vascular permeability. Membrane degredation,
Chemotactic factors, Degradation of collagen, fibrin, cartilate
Term
Oxygen radicals
Definition
Source: Damaged tissues, Leukocytes

Action: Highly destructive to number of cellular constituents (lipid membrane)
Term
Eicosanoids/PG'/Leukotrienes
Definition
Source: Most cells and cell membranes

Action: Chemotaxis, Increased vascular permeability
Term
Platelet activating factor
Definition
Source: Platelets

Action: Platelet aggregation, Chemotaxis, Oxygen radical production
Term
Kinins
Definition
Source: Plasma

Action: Vasodilation, Increased capillary permeability, pain
Term
What is used to prevent blood clots?
Definition
Aspirin
Term
2 cascades that occur at the cellular membrane level that are involved with imflammation mediators
Definition
1. Cyclooxygenase cascade
2. Lipoxygenase cascades
Term
What is the mechanism of action for anti-inflammatory action, analgesic and antipyretic action?
Definition
Prostaglandin synthesis inhibitors
Drugs that block cox-1, cox-2, cox-3 and lox reactions.
Term
What occurs in cox-1 reactions are inhibited?
Definition
Provides GI and liver protection, renal blood flow, more side effects
Term
What occurs in cox-2 reactions are inhibited?
Definition
Analgesia, prostaglands + fever inflammation, pain. Less side effects than cox-1
Term
What occurs in cox-3 reactions are inhibited?
Definition
Inhibits pain
Term
What occurs in lox reactions are inhibited?
Definition
Inhibits production of inflammatory mediators
Term
Prostaglandin synthesis effect on the GI tract
Definition
1. Decrease secretion of HCl acid
2. Increase secretion of mucus
3. Vasodilators, increase blood flow to wall
Term
Prostaglandin synthesis inhibition effect on the GI tract
Definition
1. Increase secretion of HCl acid
2. Decrease secretion of mucus
3. Blood flow reduced

This is cytotoxic, reason why ulcers are formed
Term
Prostaglandin synthesis inhibition effect on the kidney
Definition
1. Inhibits synthesis of Prostaglandin that is a vasodilator
2. increases blood flow to kidney
Term
What happens if this vasodilator PG is reduced?
Definition
Causes decreased blood flow to cells.

Hypoxia nad cell damage results, Liver damage
Term
List of NSAIDS
Definition
1. Aspirin
2. Phenybutazone (Bute, Butizolidin)
3. Carprofen (Rimadyl)
4. Etodolac (EtoGesic, Lodine)
5. Deracoxib (Deramaxx)
6. Teposalin (Zubrin)
7. Meloxicam (Metacam)
8. Flunixin meglumide (Banamine and generics)
9. Others/misc
10. Acetaminophen (Tylenol and generics)
11. Dimethyl Sulfoxide (DMSO)
12. Polysufated glycoaminoglycan (Adequan)
13. Hyaluronic acid (Legend and others)
14. Glucosamine and chondroitin (Cosequin, Cosamin, Glycoflex, Castaflex, shark cartilidge etc).
Term
Aspirin (salicyclic acid)
Definition
1. Analgesic
2. Antipyretic
3. Anti-inflammatory (Cox-1 + Cox-2)

4. Inhibit platelet action/clotting 48 hr. Decreased serotonin level, increase vasodilation

5. Cats can't metabolize glucuronic acid. Lack glucuronyl transferase. Only give aspirin to cats for clots only.

No withdrawal time in LA
Term
Signs of aspirin toxicity
Definition
Anorexia, vomiting

Can lead to ulceration, kidney, liver toxicity
Term
Phenylbutazone (Bute, Butizolidin)
Definition
Super horsey/doggy aspirin

1. Similar to aspirin, relieves musculoskeletal pain in dogs and horses. IV injection (caustic)

2. Strongly bound to plasma proteins, may displace sulfa drugs or penicillin

Toxicity more severe than aspirin. Banned for extra label use in dairy cattle
Term
Surpass 1%
Definition
Diclofenac, very old NSAID

Cox-1 and Cox-2 inhibitors. LA animal approved
Term
Carprofen (Rimadyl)
Definition
1. Analgesic, antipyretic, anti-inflammatory, inhibits PG's

2. Inhibits platelets 12 hrs

3. Use in dogs for osteoarthritis and postoperative pain


Less GI side effects, decrease damage to kidney and liver. Can give injectable to cats
Term
Etodolac (EtoGesic, Lodine)
Definition
1. Like carprofen, used in management of pain and imflammation, associated with osteoarthritis in dogs

2. Cox-2 > Cox 1 inhibitor, decreases inflammatory PG's which decrease effect on PG's that maintain normal GI and renal/liver function.

3. Post-op pain, can be given SID. Dogs only
Term
Deracoxib (Deramaxx)
Definition
1. Cox-2 inhibiting NSAID
2. For osteoarthritis and post-op pain
3. Some animals may have GI-renal, liver side-effects due to presence of fast and slow metabolizers
Term
Tepoxalin (Zubrin)
Definition
1. Inhibits cox-1, cox-2 and lipoxygenase (lox) pathways
2. Used for canine osteoarthritis in dogs
3. Watch for GI, renal, and liver toxicity
Term
Meloxicam (Metacam)
Definition
1. Oral liquid for control of pain, inflammation, osteoarthritis in dogs

2. Cox-2 > cox-1 effects

3. Avail. as honey flavored liquid.

4. Use in post-op pain control in cats, have to watch for GI/liver function
Term
Firocoxin (Privocox)
Definition
For horses/dogs.

Osteoarthritis, post-op pain
Term
Robenacoxib (Onsior)
Definition
For cats.

Post-op pain control, musculoskeletal pain, 6mg tabs or injection.

Dependent on liver metabolism
Term
Flunixin meglumide (Banamine and generics)
Definition
Large animal use.

1. Potent, analgesic, antypyretic, anti-inflammatory.

2. Controls both MS and visceral pain. Decreases GI spasms by decreasing PG's.

3. Inhibits cox-1 and cox-2 enzymes

4. Has anti-endotoxic effects in very low dosages, due to gram - bacteria. For 2ndary infection
Term
Other/misc NSAIDS
Definition
Ibuprofen: Not recommeneded due to GI upset. Cox-1 and cox-2 inhibitor

Naproxen: Similar to Ibuprofen

Ketoprofren: LA approved IV

Piroxicam (Feldene): Muscle relaxant, anti-inflam, anti-cancer properties
Term
Acetominophen
Definition
Cox-3 inhibitor

1. Analgesic, Antipyretic, NO anti-inflam.
2. Very toxic in cats.
3. Hepatotoxic with long term use/high dose. Liver failure
Term
What does Acetominophen do to cats?
Definition
Can cause methemoglobinemia and Heinz body anemia
Term
Acetominophen toxicity signs
Definition
1. Anorexia, vomiting, fascial edema, chocolate brown blood.

Treat with fluids, diuretics, acetylcysteins
Term
Dimethyl Sulfoxide (DMSO)
Definition
Industrial solvent.

Passes thru skin, carries water and small molecules, like Nitrofurosone. Mixed with furizolidone topically.

Mild anti-inflam, antimicro. Binds free radicals when used IV. Antioxidant.

Used topically, orally, IV. Dont store below 65 deg. F as it will crystalize.

Avail. in 90% liquid or gel. Dont give to food animals
Term
Polysulfated glycoaminoglycan (Adequan)
Definition
Can help with cartilidge synovial fluid and increase chondrocytes for protection.

1. Chondroprotective agent. Inhibits PG's, destructive enzymes, and oxygen radicals in joints. Not effective on bone.

2. Decreases collagen and proteoglycan loss in osteoarthritis

3. Useful for hip dyspasia

4. Useful for chronic cystitis and idiopathic cystitis. Transistional cells stretch better.
Term
Hyaluronic acid (Legend and others)
Definition
Antioxidant and anti-inflam.

Helps cartilage heal.

Used IV, IM and IA in horses with joint disease
Term
Glucosamine and chondroitin (Cosequin, Cosamin, Glycoflex, Cartaflex, shark cartilidge etc)
Definition
1. Glucosamine stimulates synthesis of synovial fluid, hyaluronic acid and other pts of cartilage.

2. Chondroitin inhibits destructive enzymes and protects cartilage.

Useful for joint disease, may allow lower dosages of NSAIDS
Term
What do fatty acid supplements do?
Definition
Inhibit cox-1 and cox-2
Prevent inflammation from trauma --> cells
Term
Omega-6 fatty acids
Definition
1. Arachidonic acid (MORE inflam. defic.)
2. Linoleic acid (MORE inflam. defic.)
3. Gamma-linoleic (LESS inflam. defic.)

Main ones we can manipulate in cell membrane. High levels can contribute to increased imflammation.
Term
Omega-3 fatty acids
Definition
1. Alpha-linolenic (LESS inflam. defic.)
2. Eicosapentanoic acid (LESS inflam. defic.)
3. Docoshexanoic acid (LESS inflam. defic.)

Blocks cox 2 and some lox rxns. Similar to NSAID

Ratio: 2:3 3:1 for some decrease in inflammatory mediators. Only works if cell has truama
Term
What kind of fatty acid can dogs convert but cats cant?
Definition
Linoleic --> arachidonic acid
Term
What is a required fatty acid for cats?
Definition
Arachidonic acid. Unable to convert Linoleic acid to this form.
Term
Sources of Cis-linoleic acid (LA)
Definition
Omega-6
1. Sunflower oil
2. Evening primmose oil
3. Sunflower oil
4. Corn oil
5. Soybean oil
Term
Sources of gamma-linoleic acid (GLA)
Definition
Omega-6
1. Borage oil
2. Evening primose oil
3. Black currant seed oil
Term
Sources of Alpha-linleic acid (ALA)
Definition
Omega-6
1. Flaxseed oil
2. Pumpkin seed oil
3. Soybean oil
Term
Sources of Elcosapentaenoic acid (EPA) and Docosahexaenoic acid (DHA)
Definition
Omega-3

Brain growth.

Fish oils. Cold water fish, salminoids
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