What Is It?
The prostate is a walnut-sized gland that sits below the bladder in men. This gland makes fluid that mixes with sperm to form semen. Because the prostate surrounds the urethra (the tube that carries urine out of the body from the bladder), conditions that cause the prostate to swell or enlarge may press on the urethra and cause pain or problems with urination.
Prostatitis is inflammation of the prostate gland. Acute prostatitis is inflammation of the prostate gland that results in sudden onset of symptoms. Acute prostatitis is caused by an infection, usually by bacteria that get into the prostate by traveling up the urethra. Some of these bacteria are the normal germs that live on and inside your body. Other infections are transmitted through sexual contact.
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