<prompt> Nongonococcal urethritis is caused by:ChlamydiaLGVSyphilisGardnerella vaginalis  <response>: Ans. is a, i.e. ChlamydiaRef: Harrison 17thed, p823; Current diagnosis and treatment of STI p15Non gonococcal urethritis is caused by: Chlamydia trachomatis 30-40 Ureaplasma urealyteum Mycoplasma genitalium E coli Ureaplasma urealyticum Trichomonas vaginalis Herpes simplex virusRare Cases: Anaerobic bacteria AdenovirusManagement:Azithromycin 1g orally in a single dose or doxycycline 100mg orally twice a day x7 daysAlternative Erythromycine 500mg four times a day x7 days 