Amiodarone and Azithromycin: Drug Interaction Guide

Quick answer: This is a major interaction — avoid combining Amiodarone and Azithromycin unless specifically directed by your doctor.

Interaction severity: Major — avoid combination

How Amiodarone interacts with Azithromycin

Additive QT-interval prolongation through inhibition of cardiac IKr potassium channels, increasing risk of torsades de pointes.

What you should do

Avoid combination where possible; if essential, perform baseline and follow-up ECG, correct electrolytes (K+, Mg2+), and monitor for arrhythmia.

Key facts

Severity

Major — avoid combination

Mechanism

Additive QT-interval prolongation through inhibition of cardiac IKr potassium channels, increasing risk of torsades de p...

Action

Avoid combination where possible; if essential, perform baseline and follow-up ECG, correct electrolytes (K+, Mg2+), and...

Important medical disclaimer: This page provides educational information about drug interactions for general reference. It is not a substitute for professional medical advice, diagnosis, or treatment. Always discuss your specific medications with a qualified healthcare provider before starting, stopping, or changing any treatment. About our editorial team.

Frequently asked questions

Can I take Amiodarone and Azithromycin together?

No — this combination should generally be avoided. Avoid combination where possible; if essential, perform baseline and follow-up ECG, correct electrolytes (K+, Mg2+), and monitor for arrhythmia.

What is the severity of this interaction?

The interaction between Amiodarone and Azithromycin is classified as Major — avoid combination. Additive QT-interval prolongation through inhibition of cardiac IKr potassium channels, increasing risk of torsades de pointes.

What should I do if I'm prescribed both?

Avoid combination where possible; if essential, perform baseline and follow-up ECG, correct electrolytes (K+, Mg2+), and monitor for arrhythmia. Always consult your prescribing clinician — do not stop or change medications without medical guidance.

Last reviewed: by iMedic Medical Editorial Team. Our editorial process.