Drug interactions
Amiodarone + Dabigatran etexilate
Severity: Major
Amiodarone and Dabigatran etexilate: 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 inhibits P-glycoprotein and raises dabigatran plasma concentrations, increasing anticoagulant effect and bleeding risk. The increase is moderate in patients with normal renal function but is more important in older patients or those with renal impairment.
What this interaction means in plain words
Amiodarone and Dabigatran etexilate 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; Dabigatran etexilate belongs to Cardiovascular.
Why it happens
Inhibition of P-glycoprotein-mediated efflux of dabigatran etexilate in the gut, increasing absorption.
What to do
Monitor for bleeding and renal function, and consider a lower dabigatran dose per local labeling in patients with reduced renal function. Avoid the combination in severe renal impairment.
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 Dabigatran etexilate
- Dabigatran etexilate + Defibrotide Contraindicated
- Dabigatran etexilate + Ketorolac Contraindicated
- Dabigatran etexilate + Mifepristone Contraindicated
- Abciximab + Dabigatran etexilate Major
- Alteplase + Dabigatran etexilate Major
- Antithrombin alfa + Dabigatran etexilate Major
Other interactions of Amiodarone
- Amiodarone + Amisulpride Contraindicated
- Amiodarone + Arsenic trioxide Contraindicated
- Amiodarone + Dofetilide Contraindicated
- Amiodarone + Dronedarone Contraindicated
- Amiodarone + Droperidol Contraindicated
- Amiodarone + Eliglustat Contraindicated
Frequently asked questions
Can I take Amiodarone with Dabigatran etexilate?
MediHelp rates the interaction as major. Amiodarone and Dabigatran etexilate 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 inhibits P-glycoprotein and raises dabigatran plasma concentrations, increasing anticoagulant effect and bleeding risk. The increase is moderate in patients with normal renal function but is more important in older patients or those with renal impairment.
How serious is the interaction between Amiodarone and Dabigatran etexilate?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for bleeding and renal function, and consider a lower dabigatran dose per local labeling in patients with reduced renal function. Avoid the combination in severe renal impairment.
What other medicines interact with Dabigatran etexilate?
MediHelp also lists interactions of Dabigatran etexilate with, for example, Defibrotide, Ketorolac, Mifepristone. The full list is on the Dabigatran etexilate page.
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