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Drug interactions

Diclofenac + Lemborexant

Severity: Minor

Diclofenac and Lemborexant: 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

Diclofenac is not an established CYP3A4 inhibitor, so a meaningful rise in lemborexant levels is not expected. The suggested interaction rests on a weak theoretical basis.

What this interaction means in plain words

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

Diclofenac belongs to Musculoskeletal; Lemborexant belongs to Central Nervous System.

Evidence level: Low

Why it happens

Theoretical weak CYP3A4 inhibition; not established for diclofenac.

What to do

No dose change is needed. Monitor for excess next-day sedation.

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 Diclofenac with Lemborexant?

MediHelp rates the interaction as minor. Diclofenac and Lemborexant have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Diclofenac is not an established CYP3A4 inhibitor, so a meaningful rise in lemborexant levels is not expected. The suggested interaction rests on a weak theoretical basis.

How serious is the interaction between Diclofenac and Lemborexant?

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 change is needed. Monitor for excess next-day sedation.

What other medicines interact with Diclofenac?

MediHelp also lists interactions of Diclofenac with, for example, Ketorolac, Ketorolac intranasal, Aceclofenac. The full list is on the Diclofenac 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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