Adrenergic alpha-Antagonists

**Definition:** Drugs that bind to but do not activate alpha-adrenergic receptors thereby blocking the actions of endogenous or exogenous adrenergic agonists. Adrenergic alpha-antagonists are used in the treatment of hypertension, vasospasm, peripheral vascular disease, shock, and pheochromocytoma.

**Tree numbers:** - D27.505.519.625.050.200.100 - D27.505.696.577.050.200.100

**Synonyms:** - alpha-Adrenergic Receptor Blockaders - Adrenergic alpha-Receptor Blockaders - alpha-Adrenergic Blocking Agents - Adrenergic alpha-Blockers - alpha-Adrenergic Blockers - alpha-Adrenergic Antagonists - alpha-Blockers, Adrenergic