Prostatitis (patient information)
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Overview
Prostatitis is swelling and irritation (inflammation or infection) of the prostate gland. When prostatitis is caused by an infection with bacteria, it is called bacterial prostatitis. Acute bacterial prostatitis is an infection that starts quickly. Chronic bacterial prostatitis is an infection that lasts for 3 months or more.
What are the symptoms of Prostatitis?
Symptoms of acute prostatitis can start quickly, and can include:
Symptoms of chronic prostatitis are similar, but not as severe. They usually begin more slowly. Some people have no symptoms between episodes of prostatitis.
Urinary symptoms include:
- Blood in the urine
- Burning or pain with urination (dysuria)
- Difficulty starting to urinate or emptying the bladder
- Foul-smelling urine
- Weak urine stream
Other symptoms that may occur with this condition:
- Pain or achiness in the abdomen above the pubic bone, in the lower back, in the area between the genitals and anus, or in the testicles
- Pain with ejaculation or blood in the semen
- Pain with bowel movements
If prostatitis occurs with an infection in or around the testicles (epididymitis or orchitis), you may also have symptoms of that condition.
What causes Prostatitis?
Prostatitis is usually caused by a bacterial infection of the prostate gland. Any bacteria that can cause a urinary tract infection can cause acute bacterial prostatitis.
Some sexually transmitted diseases (STDs) can cause bacterial prostatitis, including chlamydia and gonorrhea. STDs are more likely to occur from:
- Certain sexual practices, such as having anal sex without wearing a condom
- Having many sexual partners
In men over age 35, E. coli and other common bacteria usually cause prostatitis. This type of prostatitis may occur after:
Who is at highest risk?
Acute prostatitis may also be caused by problems with the urethra or prostate, such as:
- Bladder outlet obstruction
- Foreskin of the penis that cannot be pulled back (phimosis)
- Injury to the area between the scrotum and anus (perineum)
- Urinary catheter, cystoscopy, or prostate biopsy (removing a piece of tissue to look for cancer)
Men age 50 or older who have an enlarged prostate (benign prostatic hyperplasia) are at increased risk for prostatitis. The prostate gland may become blocked, making it easier for bacteria to grow. Symptoms of chronic prostatitis can be very similar to symptoms of an enlarged prostate gland.
Diagnosis
During a physical exam, your health care provider may find:
- Enlarged or tender lymph nodes in your groin
- Fluid released from your urethra
- Swollen or tender scrotum
To examine your prostate, the health care provider will perform a digital rectal exam. During this exam, the provider will insert a lubricated, gloved finger into your rectum.
The prostate may feel:
- Large and soft (with a chronic prostate infection)
- Warm, soft, swollen, or tender (with an acute prostate infection)
Your doctor may do a prostatic massage to see whether you have an infection:
- The health care provider will rub a gloved finger over the prostate gland a few times to release fluid from the urethra.
- The fluid will be examined for white blood cells and bacteria - signs of an infection.
Urine samples may be collected for urinalysis and urine culture.
Prostatitis may affect the results of the prostate-specific antigen (PSA), a blood test used to screen for prostate cancer.