Chronic nongonococcal urethritis (NGU) is a well-recognized clinical problem in genitourinary medicine clinics, but its etiology and optimal management are poorly understood.
Antibodies to Chlamydia trachomatis heat-shock protein 60 kDa and detection of Mycoplasma genitalium and ureaplasma urealyticum are associated independently with chronic nongonococcal urethritis.
