Drug interactions
Amiodarone + Neratinib
Severity: Major
Amiodarone and Neratinib: 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
Amiodarone may raise neratinib exposure through CYP3A4 and P-glycoprotein inhibition. This can worsen neratinib toxicities, particularly severe diarrhea and hepatotoxicity.
What this interaction means in plain words
Amiodarone and Neratinib 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.
Amiodarone belongs to Cardiovascular; Neratinib belongs to Oncology.
Why it happens
Amiodarone inhibits CYP3A4 and P-glycoprotein, increasing neratinib exposure.
What to do
Avoid coadministration where possible; if needed, monitor for diarrhea with antidiarrheal prophylaxis and check liver tests regularly.
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?
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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 Neratinib
- Amobarbital + Neratinib Major
- Aprepitant + Neratinib Major
- Armodafinil + Neratinib Major
- Bosentan + Neratinib Major
- Carbamazepine + Neratinib Major
- Cimetidine + Neratinib Major
Frequently asked questions
Can I take Amiodarone with Neratinib?
MediHelp rates the interaction as major. Amiodarone and Neratinib 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. Amiodarone may raise neratinib exposure through CYP3A4 and P-glycoprotein inhibition. This can worsen neratinib toxicities, particularly severe diarrhea and hepatotoxicity.
How serious is the interaction between Amiodarone and Neratinib?
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 coadministration where possible; if needed, monitor for diarrhea with antidiarrheal prophylaxis and check liver tests regularly.
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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