Drug interactions
Dronedarone + Floxuridine
Severity: Minor
Dronedarone and Floxuridine: 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
Floxuridine is a fluoropyrimidine with rare reports of cardiotoxicity, and a QT effect is not well established. Combined with dronedarone, a theoretical additive arrhythmic risk exists.
What this interaction means in plain words
Dronedarone and Floxuridine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Possible additive effects on cardiac repolarization; the mechanism is not well established.
What to do
Check baseline ECG and electrolytes, and monitor for palpitations or syncope during therapy.
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
Frequently asked questions
Can I take Dronedarone with Floxuridine?
MediHelp rates the interaction as minor. Dronedarone and Floxuridine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Floxuridine is a fluoropyrimidine with rare reports of cardiotoxicity, and a QT effect is not well established. Combined with dronedarone, a theoretical additive arrhythmic risk exists.
How serious is the interaction between Dronedarone and Floxuridine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Check baseline ECG and electrolytes, and monitor for palpitations or syncope during therapy.
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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