Drug interactions
Mexiletine + Stiripentol
Severity: Moderate
Mexiletine and Stiripentol: 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
Stiripentol inhibits and induces several CYP enzymes, including CYP1A2 and CYP2D6, so mexiletine concentrations may change unpredictably. Mexiletine has a narrow therapeutic index.
What this interaction means in plain words
Mexiletine and Stiripentol 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.
Mexiletine belongs to Cardiovascular; Stiripentol belongs to Central Nervous System.
Why it happens
Stiripentol alters CYP1A2 and CYP2D6 activity, changing mexiletine clearance.
What to do
Monitor mexiletine effect and toxicity and check plasma levels if available. Adjust the dose as indicated.
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 Mexiletine
- Fezolinetant + Mexiletine Contraindicated
- Mexiletine + Pimozide Contraindicated
- Alosetron + Mexiletine Major
- Amiodarone + Mexiletine Major
- Clozapine + Mexiletine Major
- Cobicistat + Mexiletine Major
Other interactions of Stiripentol
Frequently asked questions
Can I take Mexiletine with Stiripentol?
MediHelp rates the interaction as moderate. Mexiletine and Stiripentol 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. Stiripentol inhibits and induces several CYP enzymes, including CYP1A2 and CYP2D6, so mexiletine concentrations may change unpredictably. Mexiletine has a narrow therapeutic index.
How serious is the interaction between Mexiletine and Stiripentol?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor mexiletine effect and toxicity and check plasma levels if available. Adjust the dose as indicated.
What other medicines interact with Mexiletine?
MediHelp also lists interactions of Mexiletine with, for example, Fezolinetant, Pimozide, Alosetron. The full list is on the Mexiletine page.
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