<prompt> 24 years old male complains of mild urethral mucoid discharge after sexual contact with a sex-worker. Examination is normal. Drug used to treat such a patient: September 2012Azithromycin 1 mg single doseAzithromycin 1 mg for 3 weeksAzithromycin 500 mg single doseAzithromycin 1 gram single dose  <response>: Ans. D i.e. Azithromycin 1 gram single dose The clinical presentation corresponds to a diagnosis of NGLI non gonococcal urethritis 