What are therapeutic uses and adverse effects of phenoxybenzamine?

Therapeutic uses used in the treatment of pheochromocytoma, (a catecholamine-secreting tumor of cells derived from the adrenal medulla). sometimes effective in treating Raynaud’s disease Adverse effects: postural hypotension nausea, and vomiting can inhibit ejaculation reflex tachycardia mediated by the baroreceptor reflex