PHARMACOLOGY 1: • a potent competitive antagonist at both alpha 1 and alpha 2 receptors (short-acting)

• used in the treatment of Phaeochromocytoma; treatment of
HYPERTENSIVE CRISIS due to abrupt withdrawal of Clonidine

• S/E: severe tachycardia, arrythmia and myocardial ischemia

Question

• a potent competitive antagonist at both alpha 1 and alpha 2 receptors (short-acting)

• used in the treatment of Phaeochromocytoma; treatment of 
HYPERTENSIVE CRISIS due to abrupt withdrawal of Clonidine

• S/E: severe tachycardia, arrythmia and myocardial ischemia

LEIGHTON DWIGHT OBILLOS · Accepted Answer

Phentolamine

• a potent competitive antagonist at both alpha 1 and alpha 2 receptors (short-acting) • used in the treatment of Phaeochromocytoma; treatment of HYPERTENSIVE CRISIS due to abrupt withdrawal of Clonidine • S/E: severe tachycardia, arrythmia and myocardial ischemia