doxazosin

Doxazosin is used to: treat benign prostatic hyperplasia (BPH; enlarged prostate that can cause difficulty urinating, painful urination or increased urinary frequency or urgency). treat high blood pressure. Doxazosin is in a class of medications called alpha-blockers. It relieves the symptoms of BPH by relaxing the muscles of the bladder and prostate to allow urine to flow more easily. It lowers blood pressure by relaxing the blood vessels so that blood can flow more easily through the body.