Drug interactions
Eslicarbazepine + Lenacapavir
Severity: Major
Eslicarbazepine and Lenacapavir: major 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
Eslicarbazepine may reduce lenacapavir concentrations through CYP3A induction. Subtherapeutic antiretroviral exposure risks virologic failure and development of resistance.
What this interaction means in plain words
Eslicarbazepine and Lenacapavir 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.
Eslicarbazepine belongs to Central Nervous System; Lenacapavir belongs to Anti Virals.
Why it happens
Induction of CYP3A4 increases lenacapavir clearance.
What to do
Avoid coadministration and choose a non-inducing anticonvulsant if possible. If it cannot be avoided, involve an HIV specialist and monitor viral load closely.
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?
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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
Other interactions of Lenacapavir
- Apalutamide + Lenacapavir Contraindicated
- Carbamazepine + Lenacapavir Contraindicated
- Enzalutamide + Lenacapavir Contraindicated
- Flibanserin + Lenacapavir Contraindicated
- Lenacapavir + Phenytoin Contraindicated
- Lenacapavir + Rifampicin Contraindicated
Frequently asked questions
Can I take Eslicarbazepine with Lenacapavir?
MediHelp rates the interaction as major. Eslicarbazepine and Lenacapavir 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. Eslicarbazepine may reduce lenacapavir concentrations through CYP3A induction. Subtherapeutic antiretroviral exposure risks virologic failure and development of resistance.
How serious is the interaction between Eslicarbazepine and Lenacapavir?
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 choose a non-inducing anticonvulsant if possible. If it cannot be avoided, involve an HIV specialist and monitor viral load closely.
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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