Skip to content

Drug interactions

Eltrombopag + Methadone

Severity: Minor

Eltrombopag and Methadone: minor 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

Eltrombopag inhibits UGT enzymes and some transporters, but methadone is mainly metabolized by CYP enzymes, so a clinically meaningful change in exposure is not established. The interaction is considered theoretical.

What this interaction means in plain words

Eltrombopag and Methadone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Eltrombopag belongs to Miscellaneous; Methadone belongs to Musculoskeletal.

Evidence level: Low

Why it happens

Possible UGT inhibition by eltrombopag; the clinical significance for methadone is unproven.

What to do

No dose adjustment is needed; monitor for increased opioid effects such as sedation after eltrombopag is started.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Eltrombopag and Methadone, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 14 days on the web. No card needed.

Frequently asked questions

Can I take Eltrombopag with Methadone?

MediHelp rates the interaction as minor. Eltrombopag and Methadone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Eltrombopag inhibits UGT enzymes and some transporters, but methadone is mainly metabolized by CYP enzymes, so a clinically meaningful change in exposure is not established. The interaction is considered theoretical.

How serious is the interaction between Eltrombopag and Methadone?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No dose adjustment is needed; monitor for increased opioid effects such as sedation after eltrombopag is started.

What other medicines interact with Methadone?

MediHelp also lists interactions of Methadone with, for example, Alvimopan, Calcium / magnesium / potassium / sodium oxybates, Droperidol. The full list is on the Methadone page.

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

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug interactions

Get the app Sign in