Treatment is the following: Chlamydia: Azithromycin 1 g orally once or doxycycline 100 mg orally twice a day for 7 days Gonorrhea: Ceftriaxone 500 mg IM once for patients weighing < 150 kg or 1g IM once for patients weighing ≥ 150 kg plus azithromycin 1 g orally once (due to emerging resistance of N gonorrhoeae to cephalosporins) Once the cause or causes are identified based on the results of microbiologic testing, subsequent treatment is adjusted accordingly.