GI drugs Flashcards
What are the 2 pathways for ZE syndrome to cause increase acid production?
Stimulate gastrin and histamine receptor
Are H2 blockers competitive or noncompetitive?
Competitive
What drug is most effective against ZE syndrome?
PPI
Why can’t you take sucralfate with other antacid drugs?
Because it needs an acidic environment to work
What anti acid drugs have the fastest onset?
Antacid (Aluminum/Mg/Ca)
What are the 2 receptors in chemoreceptor trigger zone? what other 2 receptors stimulate vomiting?
5HT3 and D2
M1 and NK-1
Which receptor when stimulated, has antiemetic effect?
CB1 (weed)
What are the 2 D antagonists drugs that are antiemetic? and what are their side effects?
Prochlorperazine/metochlopramide (also promotility)/movement disorders (pseudo parkinson)
H1 or H2 blockers have antiemetic effect? example?
H1 (promethazine)