Drug interactions
Ethosuximide + Stiripentol
Severity: Moderate
Ethosuximide 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 both inhibits and induces CYP enzymes, so ethosuximide levels may change unpredictably. Both agents also cause sedation, so somnolence may be additive.
What this interaction means in plain words
Ethosuximide 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.
Ethosuximide belongs to Central Nervous System; Stiripentol belongs to Central Nervous System.
Why it happens
Mixed CYP3A4 inhibition and induction by stiripentol, plus additive CNS depression.
What to do
Monitor ethosuximide levels, seizure control and sedation, adjusting the dose as needed.
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 Ethosuximide
- Benzhydrocodone / acetaminophen + Ethosuximide Major
- Buprenorphine long-acting + Ethosuximide Major
- Buprenorphine subdermal implant + Ethosuximide Major
- Buprenorphine transdermal + Ethosuximide Major
- Calcium / magnesium / potassium / sodium oxybates + Ethosuximide Major
- Ethosuximide + Fentanyl intranasal Major
Other interactions of Stiripentol
Frequently asked questions
Can I take Ethosuximide with Stiripentol?
MediHelp rates the interaction as moderate. Ethosuximide 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 both inhibits and induces CYP enzymes, so ethosuximide levels may change unpredictably. Both agents also cause sedation, so somnolence may be additive.
How serious is the interaction between Ethosuximide 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 ethosuximide levels, seizure control and sedation, adjusting the dose as needed.
What other medicines interact with Ethosuximide?
MediHelp also lists interactions of Ethosuximide with, for example, Benzhydrocodone / acetaminophen, Buprenorphine long-acting, Buprenorphine subdermal implant. The full list is on the Ethosuximide page.
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