Azithromycin

Generic name: azithromycin [ a-ZITH-roe-MYE-sin ]
Brand names: Azasite, Azithromycin 3 Day Dose Pack, Azithromycin 5 Day Dose Pack, Zithromax, Zithromax TRI-PAK, Zithromax Z-Pak, Zmax
Drug class:Macrolides

Medically reviewed by Sophia Entringer, PharmD. Last updated on Dec 24, 2020.

What is azithromycin?

Azithromycin is an antibiotic that fights bacteria.

Azithromycin is used to treat many different types of infections caused by bacteria, such as respiratory infections, skin infections, ear infections, eye infections, and sexually transmitted diseases.

Azithromycin may also be used for purposes not listed in this medication guide.

See also: Azithromycin and Covid-19: What you need to know

Warnings

You should not use azithromycin if you have ever had jaundice or liver problems when you have previously taken this medicine.

Before taking this medicine

You should not use azithromycin if you are allergic to it, or if:

• you have ever had jaundice or liver problems caused by taking azithromycin; or

• you are allergic to similar drugs such as clarithromycin, erythromycin, or telithromycin.

To make sure azithromycin is safe for you, tell your doctor if you have ever had:

• liver disease;

• kidney disease;

• myasthenia gravis;

• a heart rhythm disorder;

• low levels of potassium in your blood; or

• long QT syndrome (in you or a family member).

This medicine is not expected to harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.

It is not known whether azithromycin passes into breast milk...