Drug interactions
Lumefantrine + Topiramate
Severity: Minor
Lumefantrine and Topiramate: minor 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
Lumefantrine is metabolized by CYP3A4, and topiramate is a weak inducer that may slightly reduce its exposure. Lower lumefantrine levels could reduce antimalarial cure rates, although the effect is likely small.
What this interaction means in plain words
Lumefantrine and Topiramate have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Weak CYP3A4 induction by topiramate may increase lumefantrine clearance.
What to do
No dose change is routinely needed; ensure the full course is taken with fatty food and monitor for treatment failure.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Topiramate
Frequently asked questions
Can I take Lumefantrine with Topiramate?
MediHelp rates the interaction as minor. Lumefantrine and Topiramate have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Lumefantrine is metabolized by CYP3A4, and topiramate is a weak inducer that may slightly reduce its exposure. Lower lumefantrine levels could reduce antimalarial cure rates, although the effect is likely small.
How serious is the interaction between Lumefantrine and Topiramate?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No dose change is routinely needed; ensure the full course is taken with fatty food and monitor for treatment failure.
What other medicines interact with Topiramate?
MediHelp also lists interactions of Topiramate with, for example, Benzhydrocodone / acetaminophen, Buprenorphine long-acting, Buprenorphine subdermal implant. The full list is on the Topiramate page.
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