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GASTROINTESTINAL
N/A
60
Pharmacology
Undergraduate 1
03/16/2010

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Cards

Term
APOMORPHINE
Definition
CENTRAL ACTING EMETIC. STIMULATES DOPAMINE RECEPTORS IN CRTZ. ALSO STIMULATES OPIOD RECEPTORS.  CAN CAUSE RESPIRATORY DEPRESSION & SEDATION. 
Term
NALOXONE
Definition
CAN REVERSE SIDE EFFECTS OF APOMORPHINE
Term
ACEPROMAZINE
Definition
DOPAMINE ANTAGONIST. PHENOTHIAZINES. REVERSE VOMITING FROM APOMORPHINE.
Term
XYLAZINE
Definition
ALPHA-2 AGONIST. CENTRAL ACTING EMETIC. STIMULATES ALPHA RECEPTORS IN CRTZ & VOMITING CENTER. SERIOUS CARDIOVASCULAR EFFECTS
Term
IPECAC
Definition
IRRITANT TO INTESTINAL MUCOSA. TAKEN OFF MARKET '04. CARDIOTOXIC- NEVER REDOSE!
Term
HYDROGEN PEROXIDE
Definition
GASTRIC IRRITANT. RISK ASPIRATION. MAY REPEAT ONCE. INCONSISTENT RESPONSE. LOCAL ACTING EMETIC
Term
SALT
Definition
TABLE SALT. STIMULATES VAGUS NERVE. ENSURE H20/FLUIDS.
Term
REGURGITATION
Definition
PASSIVE RETROGRADE (BACKWARDS) MOTION OF INGESTA B4 IT REACHES STOMACH
Term
PHENOTHIAZINES
Definition
BLOCK DOPAMINE RECEPTORS IN CRTZ AND VOMITING CENTER. ALSO BLOCKS HISTAMINE RECEPTORS. ACEPROMAZINE, CHLORPROMAZINE, PROCHLORPERAZINE. CAN CAUSE HYPOTENSION, SEDATION, LOWERS SEIZURE THRESHOLD
Term
ANTIHISTAMINES
Definition
USED FOR MOTION SICKNESS, ANTIEMETIC, BLOCKS H1 RECEPTORS IN THE CRTZ. DIPHENHYDRAMINE, DIMENHYDRINATE, MECLIZINE. EFFECTS VARY.
Term
ANTICHOLINERGICS
Definition
PARASYMPATHOLYTICS: ATROPINE, AMINOPENTAMIDE (CENTRINE®); BLOCK THE VAGUS NERVE; DECREASE SECRETIONS, MOTILITY; MAY ACTUALLY INCREASE VOMITING D/T GI
Term
METOCLOPRAMIDE
Definition
PROKINETIC DRUG; CENTRAL EFFECT- INHIBITS DOPAMINE & SEROTONIN RECEPTORS IN CRTZ; LOCAL EFFECT- STIMULATES MOTILITY IN UPPER GI TRACT; TIGHTENS LOWER ESOPHAGEAL SPHINCTER; DO NOT COMBINE W/ PHENOTHIAZINES, ANTICHOLINERGICS OR OPIATES; S.E. SEDATION, MANIC BEHAVIOR IN CATS; BILIOUS VOMITING; 
Term
BILIOUS VOMITING
Definition
BILE FROM DUODENUM LEAKING BACK INTO THE STOMACH THRU PYLORUS. TX: METOCLOPRAMIDE @ BEDTIME
Term
ONDANSETRON
Definition
ANTIEMETIC; ZOFRAN®; NOT APPROVED IN ANIMALS, BLOCKS SEROTONINE RECEPTORS IN CRTZ. $$$
Term
MAROPITANT
Definition
CERENIA®; DOGS >16WKS; NO SEDATION; NEUROKININ-1 RECEPTOR ANTAGONIST, CENTRAL ACTING BLOCKS SUBSTANCE P
Term
OPIOD ANTIDIARRHEAL
Definition
INCREASE SEGMENTATION, DECREASE PERISTALSIS, SLOWS TRANSIT TIME; DECREASE SECRETIONS INTO INTESTINAL LUMEN
Term
DIPHENOXYLATE ( LOMOTIL®)
Definition
CONTROLLED CLASS V OPIOD ANTIDIARRHEAL
Term

CAMPHORATED TINCTURE OF OPIUM 

(PAREGORIC®)

Definition
CONTROLLED OPIOD ANTIDIARRHEAL, CLASS III
Term

LOPERAMIDE

 

Definition
(IMMODIUM A-D®), OTC, OPIOD ANTIDIARRHEAL
Term
METOCLOPRAMIDE
Definition
INCREASES SEGMENTAL CONTRACTIONS IN THE PROXIMAL SMALL INTESTINE
Term
ANTICHOLINERGICS
Definition

BLOCK PNS; DANGEROUS IN PATIENTS WITH HYPERTHYROIDISM, CARDIAC;

OLD SCHOOL: STOP INTESTINES

NEW SCHOOL: WORSEN DIARRHEA

Term
ANTICHOLINERGICS
Definition

ATROPINE

AMINOPENTAMIDE (CENTRINE)

METHSCOPALAMINE

PROPANTHELINE

Term
HYPERSECRETION
Definition
ENTEROTOXINS OR INFLAMMATORY PROSTAGLANDINS STIMULATE CELLS LINING GI TRACT-> OSMOTICALLY ACTIVE IONS DUMPED INTO INTESTINAL LUMEN-> PULL H20 WITH
Term
BISMUTH SUBSALICYLATE
Definition

BISMUTH= PROTECTANT OF MUCOSA

SALICYLATE= BLOCKS PROSTAGLANDIN PRODUCTION-> DECREASES INFLAMMATORY RESPONSE

PRECAUTIONS: RADIOPAQUE, LOOKS LIKE MELENA, USE IN CATS <24H, INTERFERES W/ ABSORPTION OTHER DRUGS, 

PEPTO-BISMOL, KAOPECTATE

Term
FLUNIXEN
Definition

BANAMINE®

NSAID

ANALGESIC USED TO BLOCK EFFECT OF BACTERIAL TOXINS, HORSES= COLIC; CALF SCOURS

SE: DOGS-> GI ULCERATION, CATS-> RENAL FAILURE

Term
SULFASALZINE
Definition

SULFA ANTIBIOTIC  COMBINED W/ SALICYLATE, 

BACTERIA CLEAVE BOND

SULFA=DOES LITTLE GOOD

SALICYLATE (MESALAMINE) = ANTIINFLAMMATORY, ASPIRIN COMPOUND

Term
MELARSOMINE
Definition
ARSNIC 
Term
KAOLINE & PECTIN
Definition

KAO-PECTATE®

INTERFERES W/ ABSORPTION OF OTHER DRUGS

QUESTIONABLE EFFICACY

NEW FORMULA HAS BISMUTH SUBSALICYLATE

PROTECTANT

Term
ACTIVATED CHARCOAL
Definition
ABSORBANT
Term
BARIUM
Definition
PROTECTANT
Term
LAXATIVES
Definition

RELIEVE CONSTIPATION

TRICHOBEZOAR PASSAGE

SOFTEN STOOL

Term
LUBRICANT EMOLLIENT LAXATIVE
Definition

COAT THE STOOL FOR EASIER PASSAGE

MINERAL OIL-HORSES

GLYCERIN SUPPOSITORIES

LUBRICANTS

Term

CAT LAX®

LAXATONE®

Definition
LUBRICANT EMOLLIENT LAXATIVES; WHIT PETROLATUM, COD LIVER OIL; WITH CHRONIC USE INTERFERE W/ ABSORPTION OF FAT-SOLUBLE VITAMINS (ADEK)
Term
BULK LAXATIVES
Definition

BRAN, PSYLLIUM (METAMUCIL®)

PUMPKIN; INDIGESTIBLE FIBER: NOT ABSORBED FROM GI TRACT; FIBER RETAINS H20 IN FECES; OSMOTIC

Term
IRRITANT CATHARTICS
Definition

EVACUATE THE COLON

INCREASE PERISTALSIS D/T IRRITATION OF THE BOWEL

CASTOR OIL

NOT COMMONLY USED

Term
HYPERTONIC SALTS
Definition

OSMOTIC CATHARTICS

EPSOM SALTS, MILK OF MAGNESIA®, 

OSMOTIC AGENTS

HIGH DOSE Mg=TOXICITY: ELECTOLYTE DISTURBANCE-> MUSCLE WEAKNESS, CNS ALTERATIONS

Term
LACTULOSE
Definition

POORLY ABSORBED- STAYS IN GI TRACT

USED FOR CHRONIC CONSTIPATION, HEPATIC ENCEPHALOPATHY

ACIDIFIES COLON CONTENTS SO AMMONIA CAN'T BE ABSORBED AS WELL

Term
HEPATIC ENCEPHALOPATHY
Definition
POOR FUNCTIONING LIVER->ABSORPTION OF BACTERIAL AMMONIA FROM GI TRACT INTO SYSTEMIC CIRCULATION INSTEAD OF BEING DETOXIFIED IN LIVER
Term
ENEMAS
Definition

PHOSPHAE ENEMAS- FLEET®= DANGEROUS IN CATS/SMALL DOGS-> HYPOCALCEMIA=DEATH

WARM H20 

DSS ENEMA

Term
CISAPRIDE
Definition

PROKINETIC DRUG

AVAILABLE THRU COMPOUNDING PHARMACIES

Term
NON-SYSTEMIC ANTACIDS
Definition

TUMS, AMPHOGEL, ROLAIDS, MAALOX

SALTS OF Ca, Mg, Al

CHEMICALLY NEUTRALIZE GASTRIC ACID MOLECULES- DON'T USE RECEPTORS

PROBS: Ca & Al= CONSTIPATION; Mg= DIARRHEA

ELECTROLYTE IMBALANCE IF ABSORBED, ACID REBOUND INTERFERE W/ ABSORPTION=SEPARATE

Term
ACID REBOUND
Definition

CALCIUM CARBONATE CAUSES GASTRIN RELEASE-> HCL SECRETION

HIGHER THAN B4 TX

Term
SYSTEMIC ANTACIDS
Definition

ABSORBED, DISTRIBUTED

DECREASE ACID PRODUCTION IN STOMACH

PARIETAL CELLS (HISTAMINE, ACETYLCHOLINE, GASTRIN)

Term
H2 ANTAGONISTS
Definition

SYSTEMIC ANTACID, COMPETITICE INHIBITIONOF H2 RECEPTORS; 

BLOCK SECRETION OF HCL

-CIMETIDINE (TAGAMENT)

-RANITIDINE (ZANTAC)

-FAMOTIDINE (PEPCID)

OTC DRUGS; STAGGER DOSE W/ DRUGS RELYING ON GASTRIC ACIDITY; METABOLIZED BY LIVER

IV, IM, SQ, PO


Term
H2 ANTAGONISTS
Definition
Term
OMEPRAZOLE
Definition

SYSTEMIC ANTACID

BINDS TO LUMINAL SURFACEOF STOMACH-> PROTON PUMP INHIBITOR; INHIBITS SECRETION OF H+ INTO STOMACH LUMEN

PRILOSEC®, LOSEC®, GASTROGARD®

Term
SULCRALFATE
Definition

ANTIULCER DRUG

SELECTIVELY BINDS TO ULCERATED AREAS OF GI TRACT & PROTECTS FROM FURTHER DAMAGE (BAND-AID)

STIMULATES PgE SYNTHESIS

NOT ABSORBED

WORKS BEST IN ACIDIC ENVIRONMENT, SEPARATE DOSE FROM OTHER DRUGS, NOT METABOLIZED

Term
MISOPROSTOL
Definition

ANTIULCER,

CYTOTEC®

SYNTHETIC PROSTAGLANDIN E

PROTECTS GASTRIC MUCOSA- INCREASES PROTECTIVE MUCOSA PRODUCTION, BLOOD SUPPLY TO MUCOSA, MUCOSAL TURNOVER, INHIBIT GASTRIC ACID SECRETION

SE: DIARRHEA, ABDOMINAL DISCOMFORT, CRAMPING, UTERINE CONTRACTIONS, COLIC D/T INCREASE GI MOTILITY

Term
HEPATIC LIPIDOSIS
Definition

FATTY LIVER DZ

MOST COMMON = CATS

ANOREXIA-> MOBILIZE BODY FAT->FAT ACCUMULATES IN LIVER-> SEVERE CHOLESTASIS & LIVER FAILURE

UNKNOWN CAUSE

CLINICAL SIGNS: WT LOSS, ANOREXIA, +/- JAUNDICE, +/- VOMITING, DEHYDRATION; 

TX: AGGRESSIVE FEEDING

Term
CYPROHEPTADINE
Definition

APPETITE STIMULATE

PERIACTIN®

H1 ANTIHISTAMINE W/ SEROTONIN ANTAGONIST PROPERTIES

USED IN FELINE ASTHMA, URI

TAKE UP TO 24 HRS TO WORK

80 % CATS

SE OF ANTIHISTAMINES (DROWSINESS OR MANIC BEHAVIOR)

Term
DIAZEPAM
Definition

APPETITE STIMULANT

IV-> IMMEDIATE RAVENOUS KITTY

PO: INCREASE APPETITE (CATS ONLY)

CAN CAUSE LIVER FAILURE

Term
RUMINATORICS
Definition

ANTI-BLOAT 

STIMULATE ATONIC OR FLACCID RUMEN

MERCURYM STRYCHNINE, TARTAR, PLANT CONCOTIONS

NEOSTIGMINE: PREVENTS ACETYLCHOLINESTERASE FORM BREAKING DOWN ACETYLCHOLINE-> INCREASE PNS SIGNS, NOT COMMONLY USED

 

Term
ANTI-BLOAT MEDICATIONS
Definition

ERUCTATION

RUMINAL TYMPANY- RUMEN UNDER PRESSURE

FROTHY BLOAT

DSS, MINERAL OIL, DETERGENTS

Term
TYLOSIN
Definition

TYLAN®

ANTIMICROBIAL

MACROLIDE ANTIBIOTIC; USED IN CATTLE & SWINE TO TREAT GI INFECTIONS

CONTRAINDICATED IN HORSES

OFF-LABEL DOGS & CATS

Term
METRONIDAZOLE
Definition

SELECTIVELY KILLS ANAEROBES (CLOSTRIDIA); PROTOSOANS (GIARDIA)

ANTIINFLAMMATORY EFFECT ON COLON

TASTES FOUL

TOXICITY= IATROGENIC CAUSE OF NEUROLOGICAL PROBS, RESOLVE WHEN D/C

CAUTION W/ LIVER OR RENAL DZ, NOT USED IF PREGANT

Term

PANCREATIC

ENZYME 

SUPPLEMENTS

Definition

EXOCRINE PANCREATIC INSUFFICIENCY= VOLUMINOUS, PALE, GREASY STOOL

REPLACE- HOG PANCREAS

POWDER FORM

PANCREAZYME, VIOKASE-V

Term
CORTICOSTEROIDS
Definition

IBD

SE: IMMUNOSUPPRESSION, INCREASE GASTRIC ACIDITY, PROSTAGLANDIN SUPPESSION, DECREASED HEALING, INCREASED RISK OF INFECTION

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