The pack contains one complete treatment course. Each tablet contains 500mg azithromycin dihydrate. For the treatment of Chlamydia in people 16 years & older who have been tested positive but have no symptoms, & for the treatment of their sexual partners. When ordering, you will be asked for the URN (reference number) from your Clamelle Test Kit so that we can verify your test result. Please read all of the directions & warnings on this page before ordering.