WHAT IS BPH? Problem Do you frequently have to go to the bathroom? Do you have difficulty getting a good night’s sleep due to frequent urination? Do you have difficulty emptying your bladder completely? Does the urge to urinate sometimes come on suddenly? Do you feel the need to strain or push your bladder when you begin to urinate? Do you have a weak urine stream? Diagnosis Your physician has diagnosed you with enlarged prostate (BPH). You are not alone. Enlarged prostate or BPH (benign prostatic hyperplasia) affects over 17 million men in the US. BPH occurs in approximately half of all men 50 years and older and up to 80% of men 80 years of age.