Histamine2 Receptor Antagonists (-tidine) Flashcards
1
Q
Examples
A
Cimetidine
Ranitidine
2
Q
MoA
A
H2 Receptor in gastric parietal cells
Competitive antagonist
Reduce basal and stimulated acid output (90%)
3
Q
Indications
A
2nd line PUD
4
Q
ADR
A
Diarrhoea Confusion, Depression GYNAECOMASTIA Mask Sx of gastric cancer
5
Q
Prescribing Advice
A
Inhibitor of CYP450 dependent metabolism