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Drug interactions

Clonazepam + Kava

Severity: Moderate

Clonazepam and Kava: 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

Kava has sedative and anxiolytic properties and may add to the CNS depression produced by clonazepam. Excess drowsiness and impaired alertness may result, and kava has also been linked to liver toxicity.

What this interaction means in plain words

Clonazepam and Kava 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 GABAergic CNS depression from kavalactones and the benzodiazepine.

What to do

Advise patients to avoid kava while taking clonazepam, or monitor for oversedation if it is used. Check liver function if kava use continues.

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 Clonazepam with Kava?

MediHelp rates the interaction as moderate. Clonazepam and Kava 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. Kava has sedative and anxiolytic properties and may add to the CNS depression produced by clonazepam. Excess drowsiness and impaired alertness may result, and kava has also been linked to liver toxicity.

How serious is the interaction between Clonazepam and Kava?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise patients to avoid kava while taking clonazepam, or monitor for oversedation if it is used. Check liver function if kava use continues.

What other medicines interact with Clonazepam?

MediHelp also lists interactions of Clonazepam with, for example, Calcium / magnesium / potassium / sodium oxybates, Sodium oxybate, Alfentanil. The full list is on the Clonazepam page.

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