Major Drug Interaction Risk
Xanax (alprazolam), a benzodiazepine, and stiripentol, an anticonvulsant, have a major interaction. Stiripentol strongly inhibits CYP3A4, the enzyme that metabolizes alprazolam. This raises alprazolam blood levels, increasing sedation, respiratory depression, and overdose risk.[1][2]
Symptoms of Interaction
Combining them can cause excessive drowsiness, confusion, slowed breathing, coma, or death—especially at higher doses or with alcohol/other sedatives.[1][3]
Clinical Recommendations
Avoid concurrent use. If unavoidable (e.g., epilepsy treatment with stiripentol like Diacomit), reduce Xanax dose significantly and monitor closely under medical supervision. No routine safe dose combination exists.[1][2]
Alternatives for Anxiety with Stiripentol
Non-CYP3A4 options like hydroxyzine, buspirone, or SSRIs (e.g., sertraline) may be safer; consult a prescriber for epilepsy-specific guidance.[2][4]
Who Makes Stiripentol and Xanax?
Stiripentol is marketed as Diacomit by Biocodex for Dravet syndrome. Xanax is from Pfizer (generics widely available).[5]
[1]: Drugs.com - Xanax and Stiripentol Interaction
[2]: Medscape - Stiripentol Drug Interactions
[3]: FDA Label - Diacomit (Stiripentol)
[4]: Epilepsy.com - Managing Anxiety in Epilepsy
[5]: Drugs.com - Stiripentol