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Drug interactions

Fluconazole + Ozanimod

Severity: Moderate

Fluconazole and Ozanimod: 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

Ozanimod can reduce heart rate and affect conduction, while fluconazole prolongs the QT interval. Together they may raise the risk of arrhythmia in susceptible patients.

What this interaction means in plain words

Fluconazole and Ozanimod 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.

Fluconazole belongs to Anti Fungals; Ozanimod belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive effects on cardiac conduction and repolarization: ozanimod slows heart rate and fluconazole prolongs QTc.

What to do

Obtain a baseline ECG before starting ozanimod in patients taking fluconazole, and seek cardiology advice if risk factors exist. Correct electrolyte abnormalities and monitor heart rate.

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 Fluconazole with Ozanimod?

MediHelp rates the interaction as moderate. Fluconazole and Ozanimod 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. Ozanimod can reduce heart rate and affect conduction, while fluconazole prolongs the QT interval. Together they may raise the risk of arrhythmia in susceptible patients.

How serious is the interaction between Fluconazole and Ozanimod?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Obtain a baseline ECG before starting ozanimod in patients taking fluconazole, and seek cardiology advice if risk factors exist. Correct electrolyte abnormalities and monitor heart rate.

What other medicines interact with Fluconazole?

MediHelp also lists interactions of Fluconazole with, for example, Dihydroergotamine intranasal, Dihydroergotamine, Dofetilide. The full list is on the Fluconazole page.

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

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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