Pharmacological Blog

Prazosin [PRAY-zoe-sin], terazosin [ter-AY-zoe-sin], doxazosin [dox-AY-zoe-sin], and tamsulosin [tam-SUE-loh-sin] are selective competitiv...

In contrast to phenoxybenzamine, phentolamine [fen-TOLE-a-meen] produces a competitive block of α1 and α2 receptors. The drug's action...

 Phenoxybenzamine [fen-ox-ee-BEN-za-meen] is nonselective, linking covalently to both α1-postsynaptic and α2-presynaptic receptors Fi...

Phenylephrine [fen-ill-EF-rin] is a direct-acting, synthetic adrenergic drug that binds primarily to α receptors and favors α1 receptors o...

Oxymetazoline [ok-see-met-AZ-of-leen] is a direct-acting synthetic adrenergic agonist that stimulates both α1- and α2adrenergic receptors....