Sildenafil citrate and tamsulosin combination is not superior to monotherapy in treating lower urinary tract symptoms and erectile dysfunction

Purpose To evaluate the efficacy of sildenafil citrate only, 25 mg. Four times/week, tamsulosin only, 0.4 mg once daily, and the combination of both on lower urinary tract symptoms (LUTS) suggestive of benign prostate hyperplasia (BPH) and erectile dysfunction.