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Drug interactions

Lemborexant + Methoxsalen

Severity: Moderate

Lemborexant and Methoxsalen: 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

Methoxsalen may increase lemborexant exposure, which can intensify somnolence and next-day impairment.

What this interaction means in plain words

Lemborexant and Methoxsalen 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; Methoxsalen belongs to Anti Fungals.

Evidence level: Low

Why it happens

Inhibition of CYP3A4 metabolism of lemborexant by methoxsalen.

What to do

Limit lemborexant to the reduced maximum dose recommended with weak CYP3A4 inhibitors and counsel about morning drowsiness.

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 Methoxsalen?

MediHelp rates the interaction as moderate. Lemborexant and Methoxsalen 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. Methoxsalen may increase lemborexant exposure, which can intensify somnolence and next-day impairment.

How serious is the interaction between Lemborexant and Methoxsalen?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Limit lemborexant to the reduced maximum dose recommended with weak CYP3A4 inhibitors and counsel about morning drowsiness.

What other medicines interact with Methoxsalen?

MediHelp also lists interactions of Methoxsalen with, for example, Fezolinetant, Demeclocycline, Fedratinib. The full list is on the Methoxsalen page.

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

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