Drug interactions
Stiripentol + Tamsulosin
Severity: Moderate
Stiripentol and Tamsulosin: 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 affects CYP3A4 activity in both directions and may alter tamsulosin exposure unpredictably. This could cause either hypotension or reduced efficacy.
What this interaction means in plain words
Stiripentol and Tamsulosin 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 belongs to Central Nervous System; Tamsulosin belongs to Genitourinary.
Why it happens
Mixed inhibition and induction of CYP3A4 by stiripentol alters tamsulosin metabolism.
What to do
Monitor blood pressure and urinary symptoms, and adjust the tamsulosin dose according to response.
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 Tamsulosin
- Alfuzosin + Tamsulosin Major
- Avanafil + Tamsulosin Major
- Ceritinib + Tamsulosin Major
- Clarithromycin + Tamsulosin Major
- Cobicistat + Tamsulosin Major
- Doxazosin + Tamsulosin Major
Other interactions of Stiripentol
Frequently asked questions
Can I take Stiripentol with Tamsulosin?
MediHelp rates the interaction as moderate. Stiripentol and Tamsulosin 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 affects CYP3A4 activity in both directions and may alter tamsulosin exposure unpredictably. This could cause either hypotension or reduced efficacy.
How serious is the interaction between Stiripentol and Tamsulosin?
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 blood pressure and urinary symptoms, and adjust the tamsulosin dose according to response.
What other medicines interact with Tamsulosin?
MediHelp also lists interactions of Tamsulosin with, for example, Alfuzosin, Avanafil, Ceritinib. The full list is on the Tamsulosin page.
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