UroToday.com - Men with benign prostatic hyperplasia (BPH) often suffer from lower urinary tract symptoms (LUTS; BPH-LUTS) such as urinary frequency, urgency, intermittency, nocturia, straining, incomplete emptying, or weak urinary stream. BPH-LUTS and erectile dysfunction (ED), both highly prevalent conditions in aging men, are frequently associated in the same men, may have common pathophysiological mechanisms, and contribute negatively to quality of life.