Zithromax is a brand-name prescription antibiotic that treats bacterial infections of the ears, lungs, sinuses, skin, throat, and reproductive organs; pneumonia; bronchitis; and certain types of sexually transmitted diseases (STDs). It is part of an antibiotic drug class called macrolide antibiotics, which work by stopping the growth of bacteria that cause infections.
Zithromax comes in the oral dosage form of a tablet, an extended-release powder for suspension, and a regular-acting powder for suspension.










