Drug interactions
Armodafinil + Artemether / lumefantrine
Severity: Moderate
Armodafinil and Artemether / lumefantrine: 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
Armodafinil is a CYP3A4 inducer and may lower exposure to artemether and lumefantrine, which both rely on CYP3A4 metabolism. Reduced antimalarial concentrations could risk treatment failure. The induction is weaker than with strong inducers.
What this interaction means in plain words
Armodafinil and Artemether / lumefantrine 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
Induction of CYP3A4 by armodafinil, increasing metabolism of artemether and lumefantrine.
What to do
Consider holding armodafinil during the short antimalarial course. If it must continue, monitor closely for treatment failure and follow up parasitaemia.
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 Armodafinil
Frequently asked questions
Can I take Armodafinil with Artemether / lumefantrine?
MediHelp rates the interaction as moderate. Armodafinil and Artemether / lumefantrine 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. Armodafinil is a CYP3A4 inducer and may lower exposure to artemether and lumefantrine, which both rely on CYP3A4 metabolism. Reduced antimalarial concentrations could risk treatment failure. The induction is weaker than with strong inducers.
How serious is the interaction between Armodafinil and Artemether / lumefantrine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Consider holding armodafinil during the short antimalarial course. If it must continue, monitor closely for treatment failure and follow up parasitaemia.
What other medicines interact with Armodafinil?
MediHelp also lists interactions of Armodafinil with, for example, Avapritinib, Elacestrant, Elbasvir / grazoprevir. The full list is on the Armodafinil page.
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