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Drug interactions

Cilostazol + Esomeprazole

Severity: Moderate

Cilostazol and Esomeprazole: 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

Esomeprazole inhibits CYP2C19 and may raise exposure to cilostazol's active metabolite, increasing the risk of headache, palpitations and tachycardia.

What this interaction means in plain words

Cilostazol and Esomeprazole 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.

Cilostazol belongs to Cardiovascular; Esomeprazole belongs to Gastrointestinal Tract.

Evidence level: Moderate

Why it happens

Esomeprazole inhibits CYP2C19, reducing cilostazol metabolite clearance.

What to do

Reduce cilostazol to 50 mg twice daily with esomeprazole and monitor for adverse effects.

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 Cilostazol with Esomeprazole?

MediHelp rates the interaction as moderate. Cilostazol and Esomeprazole 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. Esomeprazole inhibits CYP2C19 and may raise exposure to cilostazol's active metabolite, increasing the risk of headache, palpitations and tachycardia.

How serious is the interaction between Cilostazol and Esomeprazole?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Reduce cilostazol to 50 mg twice daily with esomeprazole and monitor for adverse effects.

What other medicines interact with Esomeprazole?

MediHelp also lists interactions of Esomeprazole with, for example, Mavacamten, Rilpivirine, Acalabrutinib. The full list is on the Esomeprazole page.

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