Benign prostatic hyperplasia (BPH) is a condition characterized by the enlargement of the prostate gland, primarily affecting men over 50. The condition is associated with hormonal changes and can lead to bladder outlet obstruction, causing various urinary symptoms such as weak urine stream, hesitancy, and nocturia. Treatment options include medication (alpha blockers and 5-alpha reductase inhibitors) and surgical interventions, with potential complications arising from surgery.