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Drug interactions

Amantadine + Daridorexant

Severity: Minor

Amantadine and Daridorexant: minor 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

Daridorexant is a sedating orexin antagonist and can cause next-day drowsiness. Amantadine has variable CNS effects, including dizziness and confusion, so combined use may increase psychomotor impairment.

What this interaction means in plain words

Amantadine and Daridorexant have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Amantadine belongs to Anti Virals; Daridorexant belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive CNS effects through pharmacodynamic actions.

What to do

Counsel patients about next-day impairment and avoid driving until the response is known. Use the lowest effective daridorexant dose.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

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 Amantadine with Daridorexant?

MediHelp rates the interaction as minor. Amantadine and Daridorexant have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Daridorexant is a sedating orexin antagonist and can cause next-day drowsiness. Amantadine has variable CNS effects, including dizziness and confusion, so combined use may increase psychomotor impairment.

How serious is the interaction between Amantadine and Daridorexant?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Counsel patients about next-day impairment and avoid driving until the response is known. Use the lowest effective daridorexant dose.

What other medicines interact with Amantadine?

MediHelp also lists interactions of Amantadine with, for example, Ethanol, Memantine-donepezil, Metoclopramide. The full list is on the Amantadine page.

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