Zithromax belongs to a group of drugs called macrolide antibiotics. Zithromax fights bacteria in the body. Zithromax is used to treat many different types of infections caused by bacteria, such as respiratory infections, skin infections, ear infections, and sexually transmitted diseases. Zithromax is also known as Azithromycin or Sumamed. How to take Take Zithromax tablets… Continue reading Azithromycin to treat a wide variety of bacterial infections