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Drug interactions

Dronedarone + Liposomal doxorubicin

Severity: Major

Dronedarone and Liposomal doxorubicin: major interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Dronedarone inhibits CYP3A4 and P-glycoprotein and could increase doxorubicin exposure. Both drugs can also affect cardiac function and QT, and dronedarone is hazardous in heart failure, making the combination undesirable.

What this interaction means in plain words

Dronedarone and Liposomal doxorubicin can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.

Dronedarone belongs to Cardiovascular; Liposomal doxorubicin belongs to Oncology.

Evidence level: Low

Why it happens

Inhibition of CYP3A4 and P-glycoprotein by dronedarone, plus additive cardiac toxicity.

What to do

Avoid if an alternative antiarrhythmic is available. If used together, monitor ECG, LVEF and blood counts closely.

What to ask your pharmacist

  • Does the benefit of taking both outweigh the risk in my case?
  • Do I need any blood test, ECG or other check while on both?
  • What early warning signs should I watch for, and what should I do if they appear?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Dronedarone with Liposomal doxorubicin?

MediHelp rates the interaction as major. Dronedarone and Liposomal doxorubicin can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Dronedarone inhibits CYP3A4 and P-glycoprotein and could increase doxorubicin exposure. Both drugs can also affect cardiac function and QT, and dronedarone is hazardous in heart failure, making the combination undesirable.

How serious is the interaction between Dronedarone and Liposomal doxorubicin?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid if an alternative antiarrhythmic is available. If used together, monitor ECG, LVEF and blood counts closely.

What other medicines interact with Liposomal doxorubicin?

MediHelp also lists interactions of Liposomal doxorubicin with, for example, Dengue vaccine, Belatacept, Cyclosporine. The full list is on the Liposomal doxorubicin page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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