Cyclosporine and Dronedarone interaction

Cyclosporine and Dronedarone: the Dronedarone prescribing label flags this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.

Major

Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.

What the FDA labels say

From the Dronedarone (Multaq) label · effective 2026-01-27

Major

…(except when used in conjunction with a functioning pacemaker) • Bradycardia <50 bpm • Concomitant use of strong CYP3A inhibitors, such as ketoconazole, itraconazole, voriconazole, cyclosporine, telithromycin, clarithromycin, nefazodone, and ritonavir [see Drug Interactions (7.2) ] • Concomitant use of erythromycin [see Clinical Pharmacology (12.3) ] • Concomitant…

Contraindicationsnames CyclosporineView label on DailyMed
Moderate

Effects of Other Drugs on Dronedarone Ketoconazole and Other Potent CYP3A Inhibitors Concomitant use of ketoconazole as well as other potent CYP3A inhibitors such as itraconazole, voriconazole, ritonavir, clarithromycin, and nefazodone is contraindicated because exposure to dronedarone is significantly increased [see Contraindications (4) , Clinical Pharmacology…

Drug interactionsby drug classView label on DailyMed
Minor

Follow label recommendations for concomitant use of other statins with a CYP3A and P-gp inhibitor like dronedarone.

Drug interactionsby drug classView label on DailyMed

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Not medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.