Drug interactions
Dexamethasone + Dronedarone
Severity: Moderate
Dexamethasone and Dronedarone: 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
Dexamethasone is a weak to moderate CYP3A4 inducer and may modestly lower dronedarone levels. Clinical effect is likely small with short courses.
What this interaction means in plain words
Dexamethasone and Dronedarone 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.
Dexamethasone belongs to Endocrine; Dronedarone belongs to Cardiovascular.
Why it happens
Dexamethasone induces CYP3A4, increasing dronedarone metabolism.
What to do
Monitor for recurrent arrhythmia during prolonged dexamethasone therapy. No routine dose change is needed for short courses.
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?
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Other interactions of Dronedarone
- Adagrasib + Dronedarone Contraindicated
- Amiodarone + Dronedarone Contraindicated
- Arsenic trioxide + Dronedarone Contraindicated
- Artemether / lumefantrine + Dronedarone Contraindicated
- Atazanavir + Dronedarone Contraindicated
- Azithromycin + Dronedarone Contraindicated
Other interactions of Dexamethasone
- Bcg vaccine live + Dexamethasone Contraindicated
- Dexamethasone + Mifepristone Contraindicated
- Dexamethasone + Rilpivirine Contraindicated
- Dexamethasone + Smallpox vaccine live Contraindicated
- Dexamethasone + Varicella virus vaccine live Contraindicated
- Dexamethasone + Yellow fever vaccine Contraindicated
Frequently asked questions
Can I take Dexamethasone with Dronedarone?
MediHelp rates the interaction as moderate. Dexamethasone and Dronedarone 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. Dexamethasone is a weak to moderate CYP3A4 inducer and may modestly lower dronedarone levels. Clinical effect is likely small with short courses.
How serious is the interaction between Dexamethasone and Dronedarone?
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 for recurrent arrhythmia during prolonged dexamethasone therapy. No routine dose change is needed for short courses.
What other medicines interact with Dronedarone?
MediHelp also lists interactions of Dronedarone with, for example, Adagrasib, Amiodarone, Arsenic trioxide. The full list is on the Dronedarone page.
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