Amity-500 is used to treat a wide variety of bacterial infections. It is a macrolide-type antibiotic. It works by stopping the growth of bacteria.Dosage: Take Azithromycin exactly as directed by your doctor. Do not take more or less than instructed by your doctor. Take Azithromycin at regular intervals as instructed. Take it at the same time each day. Do not skip any doses.How should Azithromycin in Amity-500 be used?Continue to take it even when you feel better. You must complete the entire course of antibiotic. If you donâ????t, the infection will not clear completely. If you have been given capsules, take them on an empty stomach at least 1 hour before or 2 hours after food, with plenty of water. If you have been given tablets, swallow them whole with plenty of water.Common side effects of Azithromycin:Common side effects are belly pain, upset stomach or throwing up.What do I do if I miss a dose? Call your doctor to find out what to do.