What causes benign prostatic hyperplasia (BPH)?

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As men age, the prostate gradually increases in size as glandular tissue grows inside the gland -- a process that puts pressure on and obstructs the urethra. Also, prostate muscle tissue can become contracted, or tense, thus squeezing the urethra and neck of the bladder. When the normal flow of urine is blocked -- usually through a combination of both of these processes -- symptoms involving the lower urinary tract (bladder and urethra) may develop. This condition is known as benign prostatic hyperplasia (BPH). Glandular tissue growth is stimulated by dihydrotestosterone (DHT), a form of testosterone that is controlled by an enzyme called 5-alpha reductase.

The development of symptoms does not depend on the size of the prostate gland alone. Some men have normal-sized prostates with symptoms, while others have an enlarged prostate without symptoms. The presence or absence of muscular contraction may explain this difference.

Continue Learning about Enlarged Prostate

Enlarged Prostate

Also known as benign prostatic hyperplasia (BPH), an enlarged prostate gland can cause urinary problems in aging men. If an enlarged prostate goes untreated, your urine flow can become weak or even blocked from leaving the bladder...

. These symptoms can lead to kidney and urinary tract problems.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.