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Drug interactions

Levetiracetam + Trifluoperazine

Severity: Moderate

Levetiracetam and Trifluoperazine: 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 psychomotor slowing. Together they may produce greater drowsiness and dizziness, raising the risk of falls and accidents.

What this interaction means in plain words

Levetiracetam and Trifluoperazine 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.

Evidence level: Low

Why it happens

Additive CNS depressant effects of levetiracetam and the antihistaminic and antiadrenergic effects of the phenothiazine.

What to do

Monitor for oversedation, especially in older adults, and warn about driving. Lower the dose of one agent if sedation interferes with function.

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 Levetiracetam with Trifluoperazine?

MediHelp rates the interaction as moderate. Levetiracetam and Trifluoperazine 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 psychomotor slowing. Together they may produce greater drowsiness and dizziness, raising the risk of falls and accidents.

How serious is the interaction between Levetiracetam and Trifluoperazine?

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 oversedation, especially in older adults, and warn about driving. Lower the dose of one agent if sedation interferes with function.

What other medicines interact with Levetiracetam?

MediHelp also lists interactions of Levetiracetam with, for example, Oliceridine, Opium tincture, Sodium oxybate. The full list is on the Levetiracetam page.

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

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