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Drug interactions

Dronedarone + Naloxegol

Severity: Moderate

Dronedarone and Naloxegol: 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

Dronedarone can raise naloxegol concentrations, increasing the risk of opioid withdrawal-like symptoms and gastrointestinal effects such as abdominal pain and diarrhea. Naloxegol is a CYP3A4 and P-glycoprotein substrate.

What this interaction means in plain words

Dronedarone and Naloxegol 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.

Dronedarone belongs to Cardiovascular; Naloxegol belongs to Gastrointestinal Tract.

Evidence level: Moderate

Why it happens

Dronedarone inhibits CYP3A4 and P-glycoprotein, reducing naloxegol clearance.

What to do

If coadministration is needed, use the reduced naloxegol dose of 12.5 mg daily and monitor for withdrawal symptoms and abdominal pain.

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?

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 Naloxegol?

MediHelp rates the interaction as moderate. Dronedarone and Naloxegol 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. Dronedarone can raise naloxegol concentrations, increasing the risk of opioid withdrawal-like symptoms and gastrointestinal effects such as abdominal pain and diarrhea. Naloxegol is a CYP3A4 and P-glycoprotein substrate.

How serious is the interaction between Dronedarone and Naloxegol?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: If coadministration is needed, use the reduced naloxegol dose of 12.5 mg daily and monitor for withdrawal symptoms and abdominal pain.

What other medicines interact with Dronedarone?

MediHelp also lists interactions of Dronedarone with, for example, Adagrasib, Amiodarone, Arsenic trioxide. The full list is on the Dronedarone page.

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

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