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Drug interactions

Esketamine + Loxapine

Severity: Moderate

Esketamine and Loxapine: 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 drugs depress the central nervous system. Taken together they can deepen sedation, impair psychomotor performance and increase dissociative or cognitive effects after the esketamine dose.

What this interaction means in plain words

Esketamine and Loxapine 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.

Esketamine belongs to Central Nervous System; Loxapine belongs to Central Nervous System.

Evidence level: Moderate

Why it happens

Additive CNS depressant effects of esketamine and the sedating antipsychotic loxapine.

What to do

Monitor sedation and alertness during the post-dose observation period and counsel the patient not to drive until the next day. Reduce or reschedule the sedating agent if excessive somnolence occurs.

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 Esketamine with Loxapine?

MediHelp rates the interaction as moderate. Esketamine and Loxapine 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 drugs depress the central nervous system. Taken together they can deepen sedation, impair psychomotor performance and increase dissociative or cognitive effects after the esketamine dose.

How serious is the interaction between Esketamine and Loxapine?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor sedation and alertness during the post-dose observation period and counsel the patient not to drive until the next day. Reduce or reschedule the sedating agent if excessive somnolence occurs.

What other medicines interact with Esketamine?

MediHelp also lists interactions of Esketamine with, for example, Alfentanil, Amobarbital, Belladonna and opium. The full list is on the Esketamine page.

Full monographs, dosing and an interaction checker in the MediHelp app

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