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Drug interactions

Cobicistat + Eszopiclone

Severity: Moderate

Cobicistat and Eszopiclone: 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

Cobicistat is a strong CYP3A inhibitor and can substantially raise eszopiclone exposure. This may cause excessive sedation, confusion and psychomotor impairment.

What this interaction means in plain words

Cobicistat and Eszopiclone 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.

Cobicistat belongs to Miscellaneous; Eszopiclone belongs to Central Nervous System.

Evidence level: Moderate

Why it happens

Strong inhibition of CYP3A4 by cobicistat reduces eszopiclone clearance.

What to do

Limit eszopiclone to a 1 mg starting dose with a maximum of 2 mg. Monitor for oversedation and consider an alternative hypnotic if effects are excessive.

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 Cobicistat with Eszopiclone?

MediHelp rates the interaction as moderate. Cobicistat and Eszopiclone 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. Cobicistat is a strong CYP3A inhibitor and can substantially raise eszopiclone exposure. This may cause excessive sedation, confusion and psychomotor impairment.

How serious is the interaction between Cobicistat and Eszopiclone?

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 eszopiclone to a 1 mg starting dose with a maximum of 2 mg. Monitor for oversedation and consider an alternative hypnotic if effects are excessive.

What other medicines interact with Eszopiclone?

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

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