Drug interactions
Artemether / lumefantrine + Oxcarbazepine
Severity: Major
Artemether / lumefantrine and Oxcarbazepine: 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
Oxcarbazepine is a weaker CYP3A4 inducer than carbamazepine but may still lower artemether and lumefantrine levels, risking malaria treatment failure.
What this interaction means in plain words
Artemether / lumefantrine and Oxcarbazepine 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.
Why it happens
Oxcarbazepine's active metabolite induces CYP3A4, increasing clearance of artemether and lumefantrine.
What to do
Prefer an alternative antimalarial or anticonvulsant; if combined, monitor for treatment failure and follow up parasitemia.
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 Oxcarbazepine
- Cabotegravir + Oxcarbazepine Contraindicated
- Oxcarbazepine + Rilpivirine Contraindicated
- Atazanavir + Oxcarbazepine Major
- Benzhydrocodone / acetaminophen + Oxcarbazepine Major
- Bictegravir + Oxcarbazepine Major
- Bosutinib + Oxcarbazepine Major
Frequently asked questions
Can I take Artemether / lumefantrine with Oxcarbazepine?
MediHelp rates the interaction as major. Artemether / lumefantrine and Oxcarbazepine 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. Oxcarbazepine is a weaker CYP3A4 inducer than carbamazepine but may still lower artemether and lumefantrine levels, risking malaria treatment failure.
How serious is the interaction between Artemether / lumefantrine and Oxcarbazepine?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Prefer an alternative antimalarial or anticonvulsant; if combined, monitor for treatment failure and follow up parasitemia.
What other medicines interact with Oxcarbazepine?
MediHelp also lists interactions of Oxcarbazepine with, for example, Cabotegravir, Rilpivirine, Atazanavir. The full list is on the Oxcarbazepine page.
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