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Drug interactions

Lemborexant + Ramelteon

Severity: Moderate

Lemborexant and Ramelteon: 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 agents promote sleep, so taking them together may add to sedation and next-day impairment of alertness and psychomotor performance. Lemborexant labeling advises against combining it with other drugs used for insomnia. The risk of falls and impaired driving may rise.

What this interaction means in plain words

Lemborexant and Ramelteon 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.

Lemborexant belongs to Central Nervous System; Ramelteon belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive sedation through melatonin receptor agonism and orexin receptor antagonism.

What to do

Avoid using both for insomnia and choose a single agent. If both are used, counsel on next-day impairment and review the need for each drug.

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 Lemborexant with Ramelteon?

MediHelp rates the interaction as moderate. Lemborexant and Ramelteon 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 agents promote sleep, so taking them together may add to sedation and next-day impairment of alertness and psychomotor performance. Lemborexant labeling advises against combining it with other drugs used for insomnia. The risk of falls and impaired driving may rise.

How serious is the interaction between Lemborexant and Ramelteon?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid using both for insomnia and choose a single agent. If both are used, counsel on next-day impairment and review the need for each drug.

What other medicines interact with Ramelteon?

MediHelp also lists interactions of Ramelteon with, for example, Calcium / magnesium / potassium / sodium oxybates, Fluvoxamine, Sodium oxybate. The full list is on the Ramelteon page.

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