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Used as an α-adrenergic blocking agent for treatment of peripheral vascular disease.
Synonym(s): thymoxamine


A selective ALPHA-ADRENORECEPTOR BLOCKING DRUG given by injection into the penis to treat impotence. A brand name is Opilon.

alpha-adrenergic antagonist 

An adrenergic blocking agent which produces miosis and a slight reduction in intraocular pressure. It is used mainly to reverse the mydriatic effect of sympathomimetic drugs (e.g. phenylephrine hydrochloride), or even some antimuscarinic drugs (e.g. tropicamide). Common agents include dapiprazole and moxisylyte (thymoxamine). Syn. alpha-blocker. See sympatholytic drugs.