Drug interactions
Amiodarone + Belzutifan
Severity: Moderate
Amiodarone and Belzutifan: moderate 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
Belzutifan induces CYP3A4 and may lower amiodarone concentrations, potentially reducing antiarrhythmic effectiveness. The effect is less predictable for amiodarone because of its long half-life and multiple metabolic pathways.
What this interaction means in plain words
Amiodarone and Belzutifan can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Amiodarone belongs to Cardiovascular; Belzutifan belongs to Miscellaneous.
Why it happens
Induction of CYP3A4-mediated amiodarone metabolism by belzutifan.
What to do
Monitor heart rhythm control and ECG for loss of amiodarone effect, and adjust the dose if arrhythmia recurs. Re-evaluate when belzutifan is started or stopped.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Amiodarone
- Amiodarone + Amisulpride Contraindicated
- Amiodarone + Arsenic trioxide Contraindicated
- Amiodarone + Dofetilide Contraindicated
- Amiodarone + Dronedarone Contraindicated
- Amiodarone + Droperidol Contraindicated
- Amiodarone + Eliglustat Contraindicated
Other interactions of Belzutifan
Frequently asked questions
Can I take Amiodarone with Belzutifan?
MediHelp rates the interaction as moderate. Amiodarone and Belzutifan can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Belzutifan induces CYP3A4 and may lower amiodarone concentrations, potentially reducing antiarrhythmic effectiveness. The effect is less predictable for amiodarone because of its long half-life and multiple metabolic pathways.
How serious is the interaction between Amiodarone and Belzutifan?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor heart rhythm control and ECG for loss of amiodarone effect, and adjust the dose if arrhythmia recurs. Re-evaluate when belzutifan is started or stopped.
What other medicines interact with Amiodarone?
MediHelp also lists interactions of Amiodarone with, for example, Amisulpride, Arsenic trioxide, Dofetilide. The full list is on the Amiodarone page.
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