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Drug interactions

Asenapine + Dantrolene

Severity: Moderate

Asenapine and Dantrolene: 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

Asenapine commonly causes sedation and somnolence, and dantrolene adds drowsiness and weakness. Together they may impair alertness and increase the risk of falls.

What this interaction means in plain words

Asenapine and Dantrolene 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.

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

Evidence level: Low

Why it happens

Additive CNS depressant effects.

What to do

Monitor for oversedation and orthostatic symptoms and advise against 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 Asenapine with Dantrolene?

MediHelp rates the interaction as moderate. Asenapine and Dantrolene 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. Asenapine commonly causes sedation and somnolence, and dantrolene adds drowsiness and weakness. Together they may impair alertness and increase the risk of falls.

How serious is the interaction between Asenapine and Dantrolene?

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 and orthostatic symptoms and advise against 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.

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

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