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The two primary drug classes used for BPH are: Alpha-blockers. These drugs relax smooth muscles, especially in the bladder neck and prostate. They include terazosin (Hytrin), doxazosin (Cardura), tamsulosin (Flomax), alfuzosin (Uroxatral), and silodosin (Rapaflo). Alpha-blockers help relieve BPH symptoms, but they do not reduce the size of the prostate.
Pro-Banthine for involuntary urination. Pro-Banthine tablets 15mg contain propantheline that is used to control involuntary muscle spasm in various conditions, including involuntary urination (enuresis) where muscle spasm in the bladder causes leakage of urine from the bladder and loss of control in passing urine.