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Drug interactions

Daridorexant + Morphine

Severity: Moderate

Daridorexant and Morphine: 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 depress the central nervous system, so combined use can worsen sedation, psychomotor impairment and next-day drowsiness. Impaired driving and falls are the main concerns.

What this interaction means in plain words

Daridorexant and Morphine 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; Morphine belongs to Musculoskeletal.

Evidence level: Moderate

Why it happens

Additive CNS depression via opioid receptor agonism and orexin receptor antagonism.

What to do

Use the lowest effective doses and counsel patients about daytime impairment and driving. Consider reducing daridorexant dose if excessive sedation occurs.

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 Morphine?

MediHelp rates the interaction as moderate. Daridorexant and Morphine 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 depress the central nervous system, so combined use can worsen sedation, psychomotor impairment and next-day drowsiness. Impaired driving and falls are the main concerns.

How serious is the interaction between Daridorexant and Morphine?

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 doses and counsel patients about daytime impairment and driving. Consider reducing daridorexant dose if excessive sedation occurs.

What other medicines interact with Morphine?

MediHelp also lists interactions of Morphine with, for example, Alvimopan, Isocarboxazid, Olanzapine / samidorphan. The full list is on the Morphine page.

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

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