Tag: clarithromycin cardiac risk

Macrolide Antibiotics and QT Prolongation: What You Need to Know About Heart Risks

by Daniel Stephenson, 10 Jan 2026, Medications

Macrolide antibiotics like azithromycin and clarithromycin can cause QT prolongation and dangerous heart rhythms, especially in older adults, women, and those with heart conditions or taking other medications. Know your risk before taking these common drugs.