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  • Definition

    Prostatitis is swelling of the prostate gland. The prostate is a walnut-sized gland in men that surrounds the urethra. It produces a fluid that is part of semen.
    Anatomy of the Prostate Gland
    Copyright © Nucleus Medical Media, Inc.
    There are 4 types of prostatitis:
    • Acute bacterial prostatitis
    • Chronic bacterial prostatitis
    • Chronic pelvic pain syndrome
    • Asymptomatic inflammatory prostatitis
  • Causes

    Acute and chronic bacterial prostatitis are caused by an infection. A bacteria enters the prostate—usually from the urinary tract or rectum.
    The causes of chronic pelvic pain syndrome and asymptomatic inflammatory prostatitis are not clearly understood. In some people, it is possible that a cause may not be found.
  • Risk Factors

    Prostatitis is most common in men who use catheters. Other factors that may increase your risk of prostatitis include:
    • Unprotected sex
    • Phimosis—inability of the foreskin to fully retract over the head of the penis
    • Narrowing of the urethra, the tube that carries urine from the bladder to the outside of the body
    • Enlarged prostate
    • History of urinary tract infections
  • Symptoms

    Symptoms depend on the category of prostatitis syndrome. In many people, symptoms may not appear. In others, they may appear as another condition.
    Symptoms may include:
    • Needing to urinate frequently and/or urgently
    • Pain or burning while urinating
    • Difficulty urinating
    • Lower abdominal pain or pressure
    • Penile, rectal, or perineal discomfort
    • Lower back pain
    • Fever or chills
    • Erectile dysfunction
  • Diagnosis

    You will be asked about your symptoms and medical history. A physical exam will be done. A digital rectal exam may be done as part of the physical exam.
    Your bodily fluids and tissues may be tested. This can be done with:
  • Treatment

    Treatment depends on the type of prostatitis:
    Infectious Prostatitis
    Acute and chronic bacterial prostatitis are treated with oral antibiotics. Antibiotics may be given over 4-12 weeks. The antibiotics may be given through an IV for severe infections.
    Other medications to help manage symptoms include:
    • Stool softeners
    • Anti-inflammatory medications
    • Pain medication
    • Alpha-blockers or 5-alpha reductase inhibitors to help with urine flow
    Your doctor may recommend that you avoid alcohol and caffeinated beverages.
    Noninfectious Prostatitis
    Antibiotics may be recommended if an infection is possible. Other treatments to manage symptoms include:
    • Alpha-blockers or 5-alpha reductase inhibitors
    • Anti-inflammatory medications such as ibuprofen
    • Pain medication
    • Warm sitz baths
    • Repeated prostate massages
  • Prevention

    To help reduce your chance of prostatitis:
    You may also be able to reduce your risk of chronic pelvic pain through exercise. If allowed by your doctor, do moderate exercise for at least 30 minutes, 4 days a week.

    Prostatitis Foundation

    Urology Care Foundation


    Canadian Urological Association

    Men's Health Centre


    Acute bacterial prostatitis. EBSCO DynaMed website. Available at: Updated September 14, 2015. Accessed March 8, 2016.

    Chronic bacterial prostatitis. EBSCO DynaMed website. Available at: Updated June 9, 2015. Accessed March 8, 2016.

    Propert KJ, McNaughton-Collins M, et al. A prospective study of symptoms and quality of life in men with chronic prostatitis/chronic pelvic pain syndrome: The National Institutes of Health Chronic Prostatitis Cohort Study. J Urol. 2006;175:619-623.

    Prostatitis. National Kidney and Urologic Diseases Information Clearinghouse website. Available at: Updated July 2014. Accessed March 8, 2016.

    Prostatitis (prostate infection). Urology Care Foundation website. Available at: Accessed March 8, 2016.

    Sharp VJ, Takacs EB, et al. Prostatitis: diagnosis and treatment. Am Fam Physician. 2010 Aug 15;82(4):397-406.

    5/18/2015 DynaMed's Systematic Literature Surveillance Zhang R, Chomistek AK, et al. Physical activity and chronic prostatitis/chronic pelvic pain syndrome. Med Sci Sports Exerc. 2015 Apr47(4):757-764.

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