What side effects can this medication cause?

Azithromycin may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:

• upset stomach
• diarrhea
• vomiting
• stomach pain
• mild skin rash

Some side effects can be serious. The following symptoms are uncommon, but if you experience any of them, call your doctor immediately:

• severe skin rash
• hives
• itching
• difficulty breathing or swallowing
• swelling of the face, throat, tongue, lips, eyes, hands, feet, ankles, or lower legs
• hoarseness
• yellowing of the skin or eyes
• rapid, pounding, or irregular heartbeat

Azithromycin may cause other side effects. Call your doctor if you have any unusual problems while taking this medication.

If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online at http://www.fda.gov/MedWatch/report.htm or by phone 1-800-332-1088.