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What the FDA labels say about taking them together

Cyclosporine and dronedarone

Dronedarone's FDA label of May 29, 2025 names cyclosporine in its contraindications section; the cyclosporine labels PlainMeds reads (4) do not name dronedarone. The dronedarone label: “… strong CYP3A inhibitors, such as ketoconazole, itraconazole, voriconazole, cyclosporine, telithromycin, clarithromycin, nefazodone, and ritonavir Concomitant use of erythromycin Concomitant use of drugs or herbal …”

Check it at the source: the cyclosporine FDA label on DailyMed (effective August 10, 2026, Novartis Pharmaceuticals Corporation); the dronedarone FDA label on DailyMed (effective May 29, 2025, Sanofi-Aventis U.S. LLC).

What does the cyclosporine label say about dronedarone?

Cyclosporine's label (effective August 10, 2026) and its 3 other brand-application labels do not name dronedarone in these sections. A label lists what its studies and reports found; it is not a complete list.

Source: FDA drug label (Neoral), Novartis Pharmaceuticals Corporation, effective August 10, 2026 (SPL set 94461af3-11f1-4670-95d4-2965b9538ae3), via openFDA; the full label on DailyMed

What does the dronedarone label say about cyclosporine?

Dronedarone label, contraindications

CONTRAINDICATIONS MULTAQ is contraindicated in patients with: Permanent atrial fibrillation (patients in whom normal sinus rhythm will not or cannot be restored) [see Boxed Warning, Warnings and Precautions (5.2) ] Symptomatic heart failure with recent decompensation requiring hospitalization or NYHA Class IV symptoms [see Boxed Warning, Warnings and Precautions (5.1) ] Second or third-degree atrioventricular (AV) block, or sick sinus syndrome (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 …

Source: FDA drug label (Multaq), Sanofi-Aventis U.S. LLC, effective May 29, 2025 (SPL set 7fa41601-7fb5-4155-8e50-2ae903f0d2d6), via openFDA; the full label on DailyMed

These are the labels' own sentences. PlainMeds does not grade interactions; a pharmacist or prescriber can say what they mean for one person's medicines.

Both medicines on the record

14Cyclosporine generic labelers
0Dronedarone generic labelers
CyclosporineDronedarone
Labeled forOrgan transplant rejection, Rheumatoid arthritisn/a
Boxed warningYesYes
Pharmacy cost (NADAC)$1.04 per unit 0.05% eye emulsion$13.19 per tablet 400 mg tablet
Shortage nowNo current entryNo current entry

Source: FDA NDC Directory, CMS NADAC of October 7, 2026 and the FDA Drug Shortage Database (FDA files October 8, 2026)

What next?