What are the causes of an enlarged prostate?
BPH occurs when prostate cells grow in number, resulting in an enlarged prostate gland that can cause symptoms of urinary obstruction. Although the exact cause of BPH isn’t clear, researchers believe it may be due to the fluctuations in sex hormones, especially testosterone, that occur normally with age. Who is likely to develop an enlarged prostate? BPH is extremely common and most men will experience an enlarged prostate, especially after age 50. Factors that appear to increase the risk of BPH include: • Age: up to half of men over age 60 have some degree of BPH; up 90 percent of men in their 70s and 80s have it • A family history of BPH How is an enlarged prostate diagnosed? Doctors usually diagnose BPH by reviewing a patient’s medical and family history, asking about symptoms, and conducting a physical exam. Tests used to determine a diagnosis of BPH may include: • Digital rectal exam (helps doctor determine the size, texture, and shape of prostate and helps rule out prostate cance