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Drug interactions

Loxapine + Stiripentol

Severity: Moderate

Loxapine 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

Both drugs can cause sedation, and taking them together may increase drowsiness and impaired alertness. Stiripentol also inhibits several CYP enzymes, which may modestly raise levels of some co-administered drugs.

What this interaction means in plain words

Loxapine 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.

Loxapine belongs to Central Nervous System; Stiripentol belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive CNS depression, with possible CYP inhibition by stiripentol raising loxapine exposure.

What to do

Monitor for excess sedation, and reduce the loxapine dose if drowsiness or extrapyramidal effects emerge. Advise against driving until the response is known.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Loxapine with Stiripentol?

MediHelp rates the interaction as moderate. Loxapine 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. Both drugs can cause sedation, and taking them together may increase drowsiness and impaired alertness. Stiripentol also inhibits several CYP enzymes, which may modestly raise levels of some co-administered drugs.

How serious is the interaction between Loxapine 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 for excess sedation, and reduce the loxapine dose if drowsiness or extrapyramidal effects emerge. Advise against driving until the response is known.

What other medicines interact with Loxapine?

MediHelp also lists interactions of Loxapine with, for example, Alfentanil, Alprazolam, Amisulpride. The full list is on the Loxapine page.

Full monographs, dosing and an interaction checker in the MediHelp app

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