Tag: QT prolongation

Dec, 23 2025
Derek Hoyle 8 Comments

Antimalarial Medications: QT and CYP Interactions You Need to Know

Antimalarial drugs like hydroxychloroquine and artemether-lumefantrine can cause dangerous heart rhythm changes and interact with common medications. Learn which combinations are risky and how to stay safe.

View more
Dec, 16 2025
Derek Hoyle 13 Comments

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

Macrolide antibiotics like azithromycin and clarithromycin can cause QT prolongation and dangerous heart rhythms. Learn who’s at risk, how to spot warning signs, and what alternatives exist.

View more