Drug interactions
Eslicarbazepine + Ethotoin
Severity: Moderate
Eslicarbazepine and Ethotoin: 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
Ethotoin is a hydantoin anticonvulsant related to phenytoin, and phenytoin is known to lower the active metabolite of eslicarbazepine acetate. A similar fall in eslicarbazepine exposure is plausible and could reduce seizure control.
What this interaction means in plain words
Eslicarbazepine and Ethotoin 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.
Why it happens
Probable induction of eslicarbazepine metabolism or clearance by the hydantoin; this is extrapolated from phenytoin rather than established for ethotoin.
What to do
Monitor seizure frequency when ethotoin is added or withdrawn, and consider checking eslicarbazepine response. Adjust the eslicarbazepine dose according to clinical effect.
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?
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Other interactions of Eslicarbazepine
- Eslicarbazepine + Mavacamten Contraindicated
- Eslicarbazepine + Rilpivirine Contraindicated
- Artemether / lumefantrine + Eslicarbazepine Major
- Avapritinib + Eslicarbazepine Major
- Bedaquiline + Eslicarbazepine Major
- Benzhydrocodone / acetaminophen + Eslicarbazepine Major
Frequently asked questions
Can I take Eslicarbazepine with Ethotoin?
MediHelp rates the interaction as moderate. Eslicarbazepine and Ethotoin 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. Ethotoin is a hydantoin anticonvulsant related to phenytoin, and phenytoin is known to lower the active metabolite of eslicarbazepine acetate. A similar fall in eslicarbazepine exposure is plausible and could reduce seizure control.
How serious is the interaction between Eslicarbazepine and Ethotoin?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor seizure frequency when ethotoin is added or withdrawn, and consider checking eslicarbazepine response. Adjust the eslicarbazepine dose according to clinical effect.
What other medicines interact with Eslicarbazepine?
MediHelp also lists interactions of Eslicarbazepine with, for example, Mavacamten, Rilpivirine, Artemether / lumefantrine. The full list is on the Eslicarbazepine page.
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