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Drug interactions

Atogepant + Itraconazole

Severity: Moderate

Atogepant and Itraconazole: 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

Atogepant is a CYP3A4 substrate, and itraconazole substantially increases its exposure. This may increase adverse effects such as nausea, constipation and fatigue.

What this interaction means in plain words

Atogepant and Itraconazole 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.

Atogepant belongs to Central Nervous System; Itraconazole belongs to Anti Fungals.

Evidence level: High

Why it happens

Itraconazole strongly inhibits CYP3A4 and reduces atogepant clearance.

What to do

Limit atogepant to the labeled reduced dose of 10 mg once daily during itraconazole use, and monitor tolerability.

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 Atogepant with Itraconazole?

MediHelp rates the interaction as moderate. Atogepant and Itraconazole 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. Atogepant is a CYP3A4 substrate, and itraconazole substantially increases its exposure. This may increase adverse effects such as nausea, constipation and fatigue.

How serious is the interaction between Atogepant and Itraconazole?

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 atogepant to the labeled reduced dose of 10 mg once daily during itraconazole use, and monitor tolerability.

What other medicines interact with Itraconazole?

MediHelp also lists interactions of Itraconazole with, for example, Alfuzosin, Alprazolam, Avanafil. The full list is on the Itraconazole page.

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

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