Drugs that affect the GI System Flashcards
antacids uses
treatment of hyperacidity caused by heartburn, indigestion, GERD, peptic ulcer
aluminum antacids SE
constipation, intestinal impaction, anorexia, weakness, tremors, bone pain
magnesium antacids SE
diarrhea, dehydration, high magnesium
calcium antacids SE
rebound acid, alkalosis, hypercalcemia, confusion, headache, renal calculi, neurologic issues
sodium bicarbonate antacids SE
alkalosis, rebound acid
antacids CI
abdominal pain, lact
sodium bicarbonate antacids CI
CV issues
calcium antacids CI
renal calculi, hypercalcemia
aluminum antacids precautions
gastric outlet obstruction, upper GI bleeding
calcium antacids precaution
respiratory insufficiency, heart disease
antacids interact
digoxin, isoniazid, phenytoin, chlorpromazine, tetracycline, corticosteroids, salicylates
H2 Antagonists uses
heartburn, indigestion, sour stomach, GERD, gastric/duodenal ulcer, excessive gastric secretions
h2 antagonists SE
dizzy, somnolence, headache, confusion, hallucination, diarrhea
H2 antagonists precautions
severely ill, elderly, debilitated, diabetes, preg/lact
H2 antagonists interact
antacids, metoclopramide, carmustine, opioids, anticoag, digoxin
H2 antagonists ex
cimetidine, famotidine, nizatidine, ranitidine
PPIs uses
gastric and duodenal ulcers with h. pylori, GERD, erosive esophagitis, hypersecretory, bleeding prevention with antiplatelets
PPIs SE
headache, abdominal pain
PPIs CI
preg/lact
PPIs precautions
elderly
PPIs interact
sucralfate, ketoconazole, ampicillin, anticoagulants, digoxin, benzodiazepines, phenytoin, clarithromycin, bisphosphonates
PPIs ex
dexlansoprazole, esomeprazole, lansoprazole, omeprazole, pantoprazole, rabeprazole
GI stimulants MOA
increase motility of upper GI tract
GI stimulants uses
GERD, gastric stasis
GI stimulants SE
usually mild SE: restless, drowsy, dizzy, tremor, involuntary movement, muscle rigidity, grimacing, depression
GI stimulants CI
GI obstruction, gastric perforation/hemorrhage, pheochromocytoma, parkinsons, seizures
GI stimulants precautions
diabetes, CV disease, preg/lact
GI stimulants interact
cholinergic blockers, opioids, digoxin, MAOIs, levodopa
GI stimulants ex
metoclopramide
antiemetics uses
preventatively for: pre/post surgery, with antineoplastics, with radiation therapy, during pregnancy
antiemetics SE
drowsy
antiemetics CI
severe CNS depression, heart block, prolonged QT, preg, young children
antiemetics precautions
glaucoma, obstructive GI or genitourinary disease, older men
antiemetics interact
CNS depressants, antihistamines, anatacids, rifamin, lithium
antiemetics ex
chlorpromazine, perphenazine, prochlorperazine, promethazine, trimethobenzamide, dolasetron, granisetron, ondansetron, palonosetron, dronabinol, nabilone
misc acid reducers ex
sucralfate, misoprostol
aminosalicylates uses
chron disease, ulcerative colitis
aminosalicylates SE
abdominal pain, headache, dizzy, fever
aminosalicylates CI
sulfa allergy, intestinal obstruction, less than 2
aminosalicylates precautions
preg/lact
aminosalicylates interact
digoxin, methotrexate, hypoglycemics, warfarin
aminosalicylates ex
balsalazide, mesalamine, olsalazine, sulfasalazine
antidiarrheals uses
diarrhea
antidiarrheals SE
anorexia, constipation, abdominal pain, dizzy, drowsy, headache, sedation, euphoria, rash
antidiarrheals CI
diarrhea with bacteria that can harm intestinal mucosa, pseudomembranous colitis
antidiarrheals precautions
preg/lact
antidiarrheals interact
antihistamines, opioids, sedatives, hypnotics, antidepressants
antidiarrheals ex
bismuth, crofelemer, loperamide
antiflatulents uses
relieve excessive gas caused by: postop, dyspepsia, peptic ulcer, IBS, diverticulosis
antiflatulents SE
none
antiflatulents precautions
preg/lact
antiflatulents interact
can decrease effectiveness of other drugs
antiflatulents ex
simethicone, charcoal
stimulant, emollient, and saline laxatives use
evacuate colon for exams
stool softeners uses
strain prevention
psyllium and polycarbophil use
IBS, diverticulosis
hyperosmotic laxatives use
decrease blood ammonia levels with hepatic encephalopathy
laxatives SE
constipation, diarrhea, water and electrolyte loss, abdominal pain, perianal irritation, fainting, bloating, flatulence, weakness
laxatives CI
lots of abdominal pain, vomiting, signs of acute appendicitis, fecal impaction, intestinal obstruction, acute hepatitis
laxatives precautions
rectal bleeding, preg/lact
laxatives interact
vitamin KADE, milk, antacids, H2 antagonists
stimulant laxatives ex
cascara sagrada, sennosides, bisacodyl
hyperosmotic laxatives ex
glycerine, lactulose, lubiprostone
stool softeners ex
docusate