Alpha-blocker medicines relax smooth muscle in the body. Smooth muscle controls the blood vessels, intestines, bladder and urinary tract, and other involuntary actions in the body.
Alpha-blockers can be used for many problems, including:
Examples of alpha-blocker medicines include alfuzosin (Uroxatral), doxazosin (Cardura), silodosin (Rapaflo), tamsulosin (Flomax), and terazosin (Hytrin).
Side effects of alpha-blockers include:
Alpha-blockers are also called alpha-adrenergic antagonists.
WebMD Medical Reference from Healthwise