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Drug interactions

Dantrolene + Levetiracetam

Severity: Moderate

Dantrolene and Levetiracetam: 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

Levetiracetam frequently causes somnolence and dizziness, and dantrolene has similar effects. Together they may increase drowsiness and impair coordination.

What this interaction means in plain words

Dantrolene and Levetiracetam 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.

Dantrolene belongs to Musculoskeletal; Levetiracetam belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive central nervous system depressant effects.

What to do

Monitor for increased sedation and dizziness, especially when starting or raising doses. Advise patients to avoid driving until tolerance is established.

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 Dantrolene with Levetiracetam?

MediHelp rates the interaction as moderate. Dantrolene and Levetiracetam 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. Levetiracetam frequently causes somnolence and dizziness, and dantrolene has similar effects. Together they may increase drowsiness and impair coordination.

How serious is the interaction between Dantrolene and Levetiracetam?

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 increased sedation and dizziness, especially when starting or raising doses. Advise patients to avoid driving until tolerance is established.

What other medicines interact with Dantrolene?

MediHelp also lists interactions of Dantrolene with, for example, Benzhydrocodone / acetaminophen, Buprenorphine long-acting, Buprenorphine subdermal implant. The full list is on the Dantrolene page.

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