Biaxin is one of the macrolide antibiotics. It kills infectual bacteria, which in the body by stopping the growth and evolution of bacteria. The main target of Biaxin is to fight different kinds of infections. They are skin infections, infections of the respiratory system and others. If you have an allergy to Biaxin or to some components it consists of don't use it. If you have an allergy to some drugs related to it you should also avoid using of it. They are Zithromax , Dynabac, Tao, E-Mycin, Erythrocin, E.E.S., Ery-Tab and ohers. You may use this medicine alone or in complex with others drugs. But it's strongly recommended to not use it with prescription and nonprescription drugs, dietary medicine, herbal drugs, ergomar, cafergot, wigraine, D.H.E. 45, ergostat, migranal nasal spray. You should be careful in using of Biaxin if you have kidney disease, Long QT syndrome, porphyria, liver disease. It can bring harm to unborn child. If you are going to be pregnant or already pregnant you should talk about using of Biaxin with your doctor. You should also ask your doctor if this medicine could be compound with other drugs you are taking. You should have consultancy with your doctor before using Biaxin to prevent negative effects.