This document discusses benign prostatic hyperplasia (BPH), a common condition in aging men that causes bladder outflow obstruction. It causes urinary symptoms and can lead to complications if left untreated. The document covers the causes, diagnosis, and treatment options for BPH including lifestyle changes, medications like alpha blockers, and surgical procedures if medications fail or complications occur. Treatment is aimed at relieving symptoms, improving urine flow, and preventing progression of kidney damage.