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Drug interactions

Carbamazepine + Eliglustat

Severity: Major

Carbamazepine and Eliglustat: major interaction.

Last updated Sources: UK SmPC

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

Carbamazepine markedly reduces eliglustat exposure, likely causing loss of efficacy in Gaucher disease.

What this interaction means in plain words

Carbamazepine and Eliglustat 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.

Carbamazepine belongs to Central Nervous System; Eliglustat belongs to Miscellaneous.

Evidence level: Moderate

Why it happens

Strong CYP3A4 induction increases eliglustat metabolism.

What to do

Avoid coadministration and use a non-inducing anticonvulsant. Monitor Gaucher disease markers if combined.

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?

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

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References

Frequently asked questions

Can I take Carbamazepine with Eliglustat?

MediHelp rates the interaction as major. Carbamazepine and Eliglustat 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. Carbamazepine markedly reduces eliglustat exposure, likely causing loss of efficacy in Gaucher disease.

How serious is the interaction between Carbamazepine and Eliglustat?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid coadministration and use a non-inducing anticonvulsant. Monitor Gaucher disease markers if combined.

What other medicines interact with Carbamazepine?

MediHelp also lists interactions of Carbamazepine with, for example, Artemether / lumefantrine, Cabotegravir, Delamanid. The full list is on the Carbamazepine page.

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

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