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Drug interactions

Daridorexant + Metaxalone

Severity: Moderate

Daridorexant and Metaxalone: 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 cause central nervous system depression. Taken together they can increase drowsiness, dizziness and impairment of psychomotor performance, including next-day impairment that affects driving and falls risk.

What this interaction means in plain words

Daridorexant and Metaxalone 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.

Daridorexant belongs to Central Nervous System; Metaxalone belongs to Musculoskeletal.

Evidence level: Moderate

Why it happens

Additive CNS depressant pharmacodynamic effects of orexin receptor antagonism and metaxalone.

What to do

Use the lowest effective dose of each drug and counsel the patient against driving or hazardous tasks the next day. Monitor for excessive sedation, particularly in older adults.

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 Daridorexant with Metaxalone?

MediHelp rates the interaction as moderate. Daridorexant and Metaxalone 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 cause central nervous system depression. Taken together they can increase drowsiness, dizziness and impairment of psychomotor performance, including next-day impairment that affects driving and falls risk.

How serious is the interaction between Daridorexant and Metaxalone?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use the lowest effective dose of each drug and counsel the patient against driving or hazardous tasks the next day. Monitor for excessive sedation, particularly in older adults.

What other medicines interact with Metaxalone?

MediHelp also lists interactions of Metaxalone with, for example, Alfentanil, Belladonna and opium, Benzhydrocodone / acetaminophen. The full list is on the Metaxalone page.

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

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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