Nonselective blockers?
1) Phenoxybenzamine (irreversible)
2) Phentolamine (reversible)
A1 selective?
-osin ending
A2 selective?
Mirtazapine
Uses for phenoxybenzamine?
Pheochromocytoma (used before tumor removal since high levels of release catecholamines will not be able to overcome blockage)
Uses for phentolamine?
Give to pts on MAOIs who eat tyramine-containing foods
Uses for a1-blockers?
HTN and urinary retention in BPH
Use for mirtazapine?
Depression
AEs of phenoxybenzamine?
1) Orthostatic hypotension
2) Reflex tachycardia
AEs of a1 blockers?
1) 1st dose orthostatic hypotension!!!!
2) Dizziness and HA
AEs of mirtazapine?
Sedation, high cholesterol, increased appetite (Makes you Munch!)