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Drug interactions

Dronedarone + Nicardipine

Severity: Moderate

Dronedarone 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

Dronedarone is a moderate CYP3A4 inhibitor and can increase nicardipine exposure, causing hypotension, edema and dizziness. Dronedarone itself also has negative chronotropic effects that may add to calcium channel blocker effects.

What this interaction means in plain words

Dronedarone 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.

Dronedarone belongs to Cardiovascular; Nicardipine belongs to Cardiovascular.

Evidence level: Moderate

Why it happens

Dronedarone inhibits CYP3A4-mediated metabolism of nicardipine.

What to do

Start nicardipine at a low dose and monitor blood pressure and heart rate. Adjust dose to response.

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 Dronedarone with Nicardipine?

MediHelp rates the interaction as moderate. Dronedarone 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. Dronedarone is a moderate CYP3A4 inhibitor and can increase nicardipine exposure, causing hypotension, edema and dizziness. Dronedarone itself also has negative chronotropic effects that may add to calcium channel blocker effects.

How serious is the interaction between Dronedarone 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: Start nicardipine at a low dose and monitor blood pressure and heart rate. Adjust dose to response.

What other medicines interact with Nicardipine?

MediHelp also lists interactions of Nicardipine with, for example, Amifostine, Amlodipine-olmesartan-hydrochlorothiazide, Betrixaban. The full list is on the Nicardipine page.

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