Drug interactions
Dronedarone + Topiramate
Severity: Minor
Dronedarone and Topiramate: minor 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
Topiramate is a weak CYP3A4 inducer at usual doses and may modestly reduce dronedarone exposure. The effect is generally small and clinical significance is uncertain.
What this interaction means in plain words
Dronedarone and Topiramate have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Dronedarone belongs to Cardiovascular; Topiramate belongs to Central Nervous System.
Why it happens
Weak CYP3A4 induction by topiramate slightly increases dronedarone metabolism.
What to do
No routine dose change is needed; monitor rhythm control if topiramate is titrated to high doses.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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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 Topiramate
Frequently asked questions
Can I take Dronedarone with Topiramate?
MediHelp rates the interaction as minor. Dronedarone and Topiramate have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Topiramate is a weak CYP3A4 inducer at usual doses and may modestly reduce dronedarone exposure. The effect is generally small and clinical significance is uncertain.
How serious is the interaction between Dronedarone and Topiramate?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine dose change is needed; monitor rhythm control if topiramate is titrated to high doses.
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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