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Drug interactions

Aprepitant + Triazolam

Severity: Moderate

Aprepitant and Triazolam: 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

Aprepitant increases triazolam exposure about two-fold, which can intensify sedation, psychomotor impairment and amnesia.

What this interaction means in plain words

Aprepitant and Triazolam 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.

Evidence level: High

Why it happens

Aprepitant inhibits CYP3A4, reducing triazolam first-pass and systemic metabolism.

What to do

Consider reducing the triazolam dose and monitor for excessive sedation, particularly in older patients and during the aprepitant course.

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 Aprepitant with Triazolam?

MediHelp rates the interaction as moderate. Aprepitant and Triazolam 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. Aprepitant increases triazolam exposure about two-fold, which can intensify sedation, psychomotor impairment and amnesia.

How serious is the interaction between Aprepitant and Triazolam?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Consider reducing the triazolam dose and monitor for excessive sedation, particularly in older patients and during the aprepitant course.

What other medicines interact with Aprepitant?

MediHelp also lists interactions of Aprepitant with, for example, Lomitapide, Pimozide, Avapritinib. The full list is on the Aprepitant page.

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