Generic name:br Azithromycinbr Description:br Zithromax (Azithromycin) is a macrolide antibiotic used to treat bacterial infections caused by certain bacteria. It may also be used for other conditions as determined by your doctor. Zithromax is a macrolide antibiotic. It slows the growth of, or sometimes kills, sensitive bacteria by reducing the production of important proteins needed by the bacteria to survive. Some medical conditions may interact with Zithromax.br Synonyms:br Azax, Azilup, Azito, Azizen, Azenil, Azitromax, Aztrin, Hemomycin, Misultina, Mixoterin, Setron, Sumamed, Tobil, Tromix, Zeto, Zifin, Zitrim, Zitrotekbr Treating infections caused by certain bacteria. It may also be used for other conditions as determined by your doctor.Zithromax is a macrolide antibiotic. It slows the growth of, or sometimes kills, sensitive bacteria by reducing the production of important proteins needed by the bacteria to survive.