I am currently taking Z pak for a respiratory infection. . 500 mg on day 1 and 250mg for the next four days. My girlfriend informed me she has be cheating on me and she has chlamydia. I do not have symptoms, and I am scheduled for a follow up in two weeks for my respiratory infection. My question is . Will my current course of Zithromax be enough to treat me for poss. Chlamydia or should I call my doctor to get another 1 gram dose. I am planning on having the discussion with my doctor in two weeks and getting tested for everything.