Benign Prostatic Hyperplasia: Symptom and Causes

Benign Prostatic Hyperplasia – Symptoms – Formation of stones in the bladder. Frequent urination especially at night (nocturia). Decreased flow of urine.. Benign Prostatic Hyperplasia – Causes – The cause of prostate enlargement is unknown, but linked to changes in hormone levels in a man body due to ageing..