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Drug interactions

Aprepitant + Rufinamide

Severity: Minor

Aprepitant and Rufinamide: 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

Rufinamide is a weak CYP3A4 inducer and may slightly lower aprepitant concentrations. The effect is likely small, but antiemetic efficacy could be reduced in some patients.

What this interaction means in plain words

Aprepitant and Rufinamide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Aprepitant belongs to Gastrointestinal Tract; Rufinamide belongs to Central Nervous System.

Evidence level: Low

Why it happens

Rufinamide weakly induces CYP3A4, modestly increasing aprepitant metabolism.

What to do

No dose adjustment is routinely needed; observe for breakthrough nausea and vomiting and add rescue antiemetics if required.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Aprepitant with Rufinamide?

MediHelp rates the interaction as minor. Aprepitant and Rufinamide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Rufinamide is a weak CYP3A4 inducer and may slightly lower aprepitant concentrations. The effect is likely small, but antiemetic efficacy could be reduced in some patients.

How serious is the interaction between Aprepitant and Rufinamide?

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 adjustment is routinely needed; observe for breakthrough nausea and vomiting and add rescue antiemetics if required.

What other medicines interact with Aprepitant?

MediHelp also lists interactions of Aprepitant with, for example, Lomitapide, Pimozide, Avapritinib. The full list is on the Aprepitant page.

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