Drug interactions
Rimegepant + Stiripentol
Severity: Major
Rimegepant and Stiripentol: 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
Stiripentol both inhibits and induces CYP3A4, so its net effect on rimegepant exposure is unpredictable. Rimegepant levels could rise or fall, causing toxicity or reduced efficacy.
What this interaction means in plain words
Rimegepant and Stiripentol 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.
Rimegepant belongs to Central Nervous System; Stiripentol belongs to Central Nervous System.
Why it happens
Stiripentol has mixed CYP3A4 inhibitory and inducing properties affecting rimegepant metabolism.
What to do
Avoid the combination as recommended in rimegepant labeling, and choose a different acute migraine treatment.
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 Rimegepant
Other interactions of Stiripentol
Frequently asked questions
Can I take Rimegepant with Stiripentol?
MediHelp rates the interaction as major. Rimegepant and Stiripentol 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. Stiripentol both inhibits and induces CYP3A4, so its net effect on rimegepant exposure is unpredictable. Rimegepant levels could rise or fall, causing toxicity or reduced efficacy.
How serious is the interaction between Rimegepant and Stiripentol?
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 the combination as recommended in rimegepant labeling, and choose a different acute migraine treatment.
What other medicines interact with Rimegepant?
MediHelp also lists interactions of Rimegepant with, for example, Amobarbital, Atazanavir, Butabarbital. The full list is on the Rimegepant page.
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