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
What electrolyte imbalance can be caused by all antacids?
hypokalemia
What antacid can cause diarreha?
MgOH
What antacid can cause constipation?
AlOH
What are three serious side effects of AlOH
proximal muscle weakness, osteodystrophy, seizures
What are serious side effects of MgOH
hypotension, cardiac arrest
Infliximab
monoclonal Ab to TNFa
Sulfasalazine
combo of sulfapyridine (antibacterial), 5-ASA 9antiinflam)
What anti-inflammatory can cause reversible oligospermia?
sulfasalazine
Ondanstertron
5-HT3 antag (antiemetic)
Metoclorpramide
D2 receptor analog (antiemetic)