Pharmacology for GI Flashcards
Cimetidine
H2 blocker
Ranitidine
H2 blocker
Famotidine
H2 blocker
Nizatidine
H2 blocker
What are important hormonal effects for H2 blockers?
Antiandrogenic
What is an important side effect specific to cimetidine and ranitidine?
decreased renal excretion of creatinine
What is the mechanism of PPIs?
irreversibly inhibit HKATPase of parietal cells
What infections are at increased risk with PPIs?
C. diff, pneumonia
Omeprazole
PPI
lansoprazole
PPI
Bismuth
binds to base of ulcer providing physical protection
Sucralfate
binds to base of ulcer providing physical protection
Misoprostol
PGE1 analog
What are the GI effects of misoprostol
increased production and secreetion of gastric mucous barrier, prevents NSAID peptic ulcers
What drug is given to prevent NSAID peptic ulcers?
Misoprostol