What are the dangers of azithromycin?
Andrew Mccoy
Published May 06, 2026
[3-12-2013] The
U.S. Food and Drug Administration
The federal regulation of food, drugs, cosmetics, biologics, medical products and tobacco is legally mandated by acts of the United States Congress.
https://www.fda.gov › about-fda › fdas-legal-authority
Can azithromycin harm you?
Azithromycin may cause a condition that affects the heart rhythm (QT prolongation). QT prolongation can rarely cause serious (rarely fatal) fast/irregular heartbeat and other symptoms (such as severe dizziness, fainting) that need medical attention right away.Why you should not take azithromycin?
Severe diarrhea associated with Clostridium difficile is a potential side effect of almost all antibacterial agents, including azithromycin. May cause severe skin reactions and photosensitivity (increased sensitivity to sunlight). Discontinue azithromycin and seek urgent medical advice should a rash develop.Who should not take azithromycin?
Who should not take AZITHROMYCIN?
- diarrhea from an infection with Clostridium difficile bacteria.
- low amount of magnesium in the blood.
- low amount of potassium in the blood.
- myasthenia gravis, a skeletal muscle disorder.
- hearing loss.
- torsades de pointes, a type of abnormal heart rhythm.
- slow heartbeat.