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Drug interactions

Amiodarone + Oxaliplatin

Severity: Major

Amiodarone and Oxaliplatin: 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

Oxaliplatin has been associated with QT prolongation and torsades de pointes, and amiodarone adds to this risk. Chemotherapy-related vomiting and electrolyte loss can further increase vulnerability.

What this interaction means in plain words

Amiodarone and Oxaliplatin 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; Oxaliplatin belongs to Oncology.

Evidence level: Low

Why it happens

Additive QT prolongation, compounded by chemotherapy-induced electrolyte disturbances.

What to do

Check ECG and potassium, magnesium and calcium before and during oxaliplatin cycles. Use an alternative antiarrhythmic if feasible.

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 Amiodarone with Oxaliplatin?

MediHelp rates the interaction as major. Amiodarone and Oxaliplatin 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. Oxaliplatin has been associated with QT prolongation and torsades de pointes, and amiodarone adds to this risk. Chemotherapy-related vomiting and electrolyte loss can further increase vulnerability.

How serious is the interaction between Amiodarone and Oxaliplatin?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Check ECG and potassium, magnesium and calcium before and during oxaliplatin cycles. Use an alternative antiarrhythmic if feasible.

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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