Alfumax ER 10 mg is a prescription medication used to treat the symptoms of Benign Prostatic Hyperplasia (BPH) — a non-cancerous enlargement of the prostate in adult men. It contains Alfuzosin, an alpha-1 adrenergic blocker that relaxes the muscles in the prostate and bladder neck, making it easier to urinate and relieving symptoms like urinary frequency, hesitancy, and incomplete bladder emptying.