Prostatitis is swelling and inflammation of the prostate gland, a walnut-sized gland located directly below the bladder in men. The prostate gland produces fluid (semen) that nourishes and transports sperm.

Prostatitis often causes painful or difficult urination. Other symptoms of prostatitis include pain in the groin, pelvic area or genitals and sometimes flu-like symptoms.

Prostatitis affects men of all ages but tends to be more common in men 50 years of age or younger. Prostatitis can be caused by a number of different things. If it's caused by a bacterial infection, it can usually be treated with antibiotics. However, sometimes prostatitis isn't caused by a bacterial infection or an exact cause is never identified.

Depending on the cause, prostatitis may come on gradually or suddenly. It may get better quickly, either on its own or with treatment. Some types of prostatitis last for months or keep recurring (chronic prostatitis).

Symptoms Causes Risk factors Complications

Prostatitis symptoms vary depending on the cause. They may include:

  • Pain or burning sensation when urinating (dysuria)
  • Difficulty urinating, such as dribbling or hesitant urination
  • Frequent urination, particularly at night (nocturia)
  • Urgent need to urinate
  • Pain in the abdomen, groin or lower back
  • Pain in the area between the scrotum and rectum (perineum)
  • Pain or discomfort of the penis or testicles
  • Painful orgasms (ejaculations)
  • Flu-like symptoms (with bacterial prostatitis)

When to see a doctor

If you experience pelvic pain, difficult or painful urination, or painful orgasms (ejaculations), see your doctor. If left untreated, some types of prostatitis can cause worsening infection or other health problems.

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