Chronic bacterial prostatitis is caused by a bacterial infection. Even when the primary symptoms of infection have been treated, bacteria may continue to thrive in the prostate.
Causes of infection include:
any bacteria that causes a UTI
sexually transmitted infections, such as chlamydia and gonorrhea
Escherichia coli after having an infection of the testicles, urethritis (inflammation of the urethra), or a UTI
Certain factors put men at risk for developing this condition, such as:
an enlarged prostate
an infection in or around the testicles
a urethral stricture, or narrow urethra