Doxazosin
Doxazosin is an alpha-1 antagonist used for the treatment of benign prostatic hypertrophy (BPH) symptoms and hypertension. Other members of this drug class include [Prazosin], [Terazosin], [Tamsulosin], and [Alfuzosin].  Because of its long-lasting effects, doxazosin can be administered once a day. It is marketed by Pfizer and was initially approved by the FDA in 1990.