DefinitionChronic nonbacterial prostatitis is long-term pain and urinary symptoms that involve the prostate gland or other parts of a man's lower urinary tract or genital area. This condition is not caused by bacterial infection.See also: Chronic bacterial prostatitisAlternative NamesNBP; Prostatodynia; Pelvic pain syndrome; CPPS; Chronic nonbacterial prostatitis; Chronic genitourinary painCauses, incidence, and risk factorsPossible risk factors for nonbacterial prostatitis include:BacteriaFungiIrritation caused by a backup of urine flowing into the prostateParasites (trichomonads)VirusesChemicalsNerve disorder involving the lower urinary tractProblems with toilet trainingSexual abuseLife stresses and some psychological factors may also contribute.Most patients with chronic prostatitis hav