GI drugs Flashcards
Name a motilin receptor agonist that can stimulate intestinal peristalsis
erythromycin
Treatment of hereditary hemachromatosis
Phlebotomy
deferasirox
deferoxamine
Treatment of wilson’s disease and MOA
D-Penicilliamine
chelation of copper
List the H2 blockers
Cimetidine ranitidine famotidine nizatidine Hint: DINE with histamine
MOA of the H2 blockers
reversible block of histamine receptor leading to decreased acid secretion from parietal cells
H2 blocker clinical use
Peptic ulcer disease
mild esophageal reflux
gastritis
Cimentidine side effect
potent P450 inhibitor
antiandrogenic effect: Prolactin release, gynecomastia, impotence and decrease libido in males
crosses BB to cause confusion, dizziness and HA
Common toxicity shared by cimentidine and ranitidine
decrease serum excretion of creatinine
List the proton pump inhibitors
Omeprazole lansoprazole esomeprazole pantoprazole dexlansoprazole
Proton pump inhibitor MOA
irreversibly inhibit the H+/K+ ATPasse in the stomach parietal cells
Proton pump inhibitor uses
Peptic ulcer
gastritis
esophageal reflux
zollinger-ellison syndrome
Proton pump inhibitor toxicity
Increased risk of C.diff f vibreo cholera pneumonia hip fxs decreased Mg2+
Bismuth and sucralfate clinical use
increase ulcer healing
traveler’s diarrhea
Bismuth and sucrafate MOA
bind to ulcer base providing physical protection and allows HCO3- secretion to reestablish pH gradient in mucous layer
Misoprostol MOA
PGE1 analog that increases the production and secretion of gastric mucous barrier
Decrease acid production
Misoprostol uses
Prevention of NSAID induced peptic ulcers
PDA maintainance
Ripen the cervix to induce labor