Alpha Adrenergic Antagonist, Peripheral Alpha-1 Adrenergic Antagonist, Postsynaptic Alpha Adrenergic Antagonist, Alpha Adrenergic Receptor Blocker, Prazosin, Minipress, Terazosin, Hytrin, Doxazosin, Cardura, Phenoxybenzamine, Dibenzyline, Phentolamine, Rogatine