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Drug interactions

Fluconazole + Nicardipine

Severity: Moderate

Fluconazole and Nicardipine: 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

Nicardipine is metabolized by CYP3A4 and other CYPs, so fluconazole may increase its concentrations. This can cause excessive hypotension, flushing, headache, and peripheral edema.

What this interaction means in plain words

Fluconazole and Nicardipine 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; Nicardipine belongs to Cardiovascular.

Evidence level: Low

Why it happens

Fluconazole inhibits CYP3A4 and CYP2C9, reducing nicardipine clearance.

What to do

Monitor blood pressure and heart rate when starting fluconazole. Lower the nicardipine dose if hypotension or adverse effects appear.

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 Nicardipine?

MediHelp rates the interaction as moderate. Fluconazole and Nicardipine 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. Nicardipine is metabolized by CYP3A4 and other CYPs, so fluconazole may increase its concentrations. This can cause excessive hypotension, flushing, headache, and peripheral edema.

How serious is the interaction between Fluconazole and Nicardipine?

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 blood pressure and heart rate when starting fluconazole. Lower the nicardipine dose if hypotension or adverse effects appear.

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

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