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Drug interactions

Carvedilol + Naldemedine

Severity: Minor

Carvedilol and Naldemedine: 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

Naldemedine is a P-glycoprotein substrate, and carvedilol can inhibit P-gp. Naldemedine exposure may increase, which could enhance opioid-withdrawal-like gastrointestinal effects such as abdominal pain and diarrhea.

What this interaction means in plain words

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

Carvedilol belongs to Cardiovascular; Naldemedine belongs to Gastrointestinal Tract.

Evidence level: Low

Why it happens

Carvedilol inhibits P-gp efflux of naldemedine, raising its absorption.

What to do

No dose adjustment is usually needed. Monitor for abdominal pain, diarrhea and signs of opioid withdrawal.

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.

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Frequently asked questions

Can I take Carvedilol with Naldemedine?

MediHelp rates the interaction as minor. Carvedilol and Naldemedine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Naldemedine is a P-glycoprotein substrate, and carvedilol can inhibit P-gp. Naldemedine exposure may increase, which could enhance opioid-withdrawal-like gastrointestinal effects such as abdominal pain and diarrhea.

How serious is the interaction between Carvedilol and Naldemedine?

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 usually needed. Monitor for abdominal pain, diarrhea and signs of opioid withdrawal.

What other medicines interact with Carvedilol?

MediHelp also lists interactions of Carvedilol with, for example, Amifostine, Amiodarone, Arformoterol. The full list is on the Carvedilol 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.

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