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Prostatitis - Cause

Most men with prostatitis have chronic prostatitis/pelvic pain syndrome, inflammatory or noninflammatory. The cause of this type of prostatitis is not known.

About 1 out of 10 men have prostatitis caused by bacteria.

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Acute prostatitis and chronic bacterial prostatitis

Bacteria infecting the prostate cause acute prostatitis and chronic bacterial prostatitis. Bacteria most likely enter the prostate by:

Chronic prostatitis/pelvic pain syndrome, inflammatory (nonbacterial prostatitis)

The specific cause of chronic prostatitis/pelvic pain syndrome, inflammatory, is usually not known. But doctors believe the possible causes include:

  • Blocked urine flow.
  • Abnormal movement of urine and prostate secretions into the prostate.
  • Microorganisms that may infect the prostate. If they are present, they usually are not detectable in the urine.
  • The immune system attacking the prostate (autoimmune disease).
  • Chemicals normally found in the urine, such as uric acid, which may get into the prostate and cause irritation.
  • Abnormal nerve or muscle function.

Chronic prostatitis/pelvic pain syndrome, noninflammatory (prostatodynia)

The causes of chronic prostatitis/pelvic pain syndrome, noninflammatory, may be the same as those for chronic prostatitis/pelvic pain syndrome, inflammatory. Some doctors think that a combination of things—including nervous system problems and strained pelvic floor muscles—causes the pain. Emotional problems and anxiety can make the pain worse.

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WebMD Medical Reference from Healthwise

Last Updated: December 02, 2011
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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