Drug interactions
Dexamethasone + Stiripentol
Severity: Moderate
Dexamethasone 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 CYP3A4 and may inhibit P-gp, so dexamethasone exposure could rise or fall. The net effect is unpredictable.
What this interaction means in plain words
Dexamethasone 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.
Dexamethasone belongs to Endocrine; Stiripentol belongs to Central Nervous System.
Why it happens
Mixed CYP3A4 inhibition and induction and P-glycoprotein inhibition by stiripentol alter dexamethasone clearance.
What to do
Monitor clinical response and corticosteroid adverse effects, and adjust the dexamethasone 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 Dexamethasone
- Bcg vaccine live + Dexamethasone Contraindicated
- Dexamethasone + Mifepristone Contraindicated
- Dexamethasone + Rilpivirine Contraindicated
- Dexamethasone + Smallpox vaccine live Contraindicated
- Dexamethasone + Varicella virus vaccine live Contraindicated
- Dexamethasone + Yellow fever vaccine Contraindicated
Other interactions of Stiripentol
Frequently asked questions
Can I take Dexamethasone with Stiripentol?
MediHelp rates the interaction as moderate. Dexamethasone 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 CYP3A4 and may inhibit P-gp, so dexamethasone exposure could rise or fall. The net effect is unpredictable.
How serious is the interaction between Dexamethasone 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 clinical response and corticosteroid adverse effects, and adjust the dexamethasone dose as needed.
What other medicines interact with Dexamethasone?
MediHelp also lists interactions of Dexamethasone with, for example, Bcg vaccine live, Mifepristone, Rilpivirine. The full list is on the Dexamethasone page.
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