Azithromycin is a generic oral tablet prescribed for certain infections in adults and some children. It’s typically taken once per day. The dosage can vary depending on the reason you’re taking it.

A Common Antibiotic for Treating Bacterial Infections ...

Azithromycin dosing varies based on the specific bacterial infection being treated, with most adults taking between 500 mg and 2,000 mg depending on whether it’s a single dose or a multi-day regimen.