Doxazosin mesylateProduct ingredient for 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.⁸ Because of its long-lasting effects, doxazosin can be administered once a day.⁵ It is marketed by Pfizer and was initially approved by the FDA in 1990.²⁰