Alpha-Blockers Flashcards
1
Q
what do alpha-blockers end in?
A
-osin
2
Q
name two alpha-blockers
A
prazosin
tamsulosin
3
Q
what receptor do they target ?
A
alpha-andrenoceptors
4
Q
are they agonists or antagonists?
A
antagonists
5
Q
how do they work?
A
prevent action of endogenous catecholamines
6
Q
what is their effect?
A
reduce vasoconstriction therefore decreases peripheral vascular resistance
7
Q
what are they used for?
A
hypertension secondary to pheochromocytoma
urinary retention in prostatic hyperplasia
8
Q
adverse effects?
A
postural hypotension dizziness and fainting headache nasal congestion stress incontinence
