Azithromycin is an antibacterial prescription medicine approved by the U.S. Food and Drug Administration (FDA) for the treatment of certain bacterial infections, such as:

Various bacterial respiratory diseases, including community-acquired pneumonia, acute sinus and ear infections, acute worsening of chronic bronchitis, and throat and tonsil infections

Pelvic inflammatory disease

Genital ulcer disease and infections of the urethra and cervix

Infections of the skin