Pharmacology: GI motility(antidiarrhoeal & laxatives) Flashcards
1
Q
give an example of an antidiarrhoeal drug
A
loperamide
2
Q
give 3 examples of a laxatives
A
ispaghula husk, lactulose and senna
3
Q
what drug are antidiarrhoeals sometimes combined with
A
atropine(muscarinic ACh antagonist)
4
Q
what is the aim of antidiarrhoeal drugs
A
electrolyte replacement
5
Q
what kind of drug is loperamide
A
an opiate
6
Q
what are some side effects of antidiarrhoeal drugs
A
constipation, sedation and resp. depression
7
Q
describe the action of ispaghula husk
A
bulk forming laxative
8
Q
describe the action of lactulose
A
osmotic laxative(hepatic)
9
Q
describe the action of senna
A
stimulant purgative, increases electrolyte/H2O secretion