Benign Prostatic Hyperplasia (BPH), also referred to as Benign Prostatic Hypertrophy is the enlargement of the prostate gland. The term hyperplasia is more suitable as the main prostatic changes are caused by the hyperplasia, and not hypertrophy. BPH is a chronic condition commonly affecting men over fifty years of age and its prevalence and severity increases with age. In United States, the incidence of BPH in men 60 years of age and older is 60%, and those of 70 years or older is 90%. Benign