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Drug interactions

Daridorexant + Erythromycin

Severity: Moderate

Daridorexant and Erythromycin: 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

Erythromycin raises daridorexant exposure, increasing risk of next-day somnolence and impaired driving ability.

What this interaction means in plain words

Daridorexant and Erythromycin 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; Erythromycin belongs to Anti Bacterial.

Evidence level: High

Why it happens

Inhibition of CYP3A4 metabolism of daridorexant.

What to do

Do not exceed daridorexant 25 mg per night while on erythromycin. Counsel about next-day 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 Daridorexant with Erythromycin?

MediHelp rates the interaction as moderate. Daridorexant and Erythromycin 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. Erythromycin raises daridorexant exposure, increasing risk of next-day somnolence and impaired driving ability.

How serious is the interaction between Daridorexant and Erythromycin?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Do not exceed daridorexant 25 mg per night while on erythromycin. Counsel about next-day drowsiness.

What other medicines interact with Erythromycin?

MediHelp also lists interactions of Erythromycin with, for example, Conivaptan, Dihydroergotamine intranasal, Dihydroergotamine. The full list is on the Erythromycin page.

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