What the FDA labels say about taking them together
Cyclosporine and digoxin
Cyclosporine's FDA label of August 10, 2026 names digoxin in its drug interactions section, and digoxin's label names cyclosporine too. The digoxin label: “Alprazolam, azithromycin, cyclosporine, diclofenac, diphenoxylate, epoprostenol, esomeprazole, ibuprofen, ketoconazole, lansoprazole, metformin, omeprazole; …”
Check it at the source: the cyclosporine FDA label on DailyMed (effective August 10, 2026, Novartis Pharmaceuticals Corporation); the digoxin FDA label on DailyMed (effective December 5, 2024, Advanz Pharma (US) Corp.).
What does the cyclosporine label say about digoxin?
Cyclosporine label, drug interactionsCyclosporine may reduce the clearance of digoxin, colchicine, prednisolone, HMG-CoA reductase inhibitors (statins), aliskiren, bosentan, dabigatran, repaglinide, NSAIDs, sirolimus, etoposide, and other drugs.
Source: FDA drug label (Sandimmune, NDA050573), Novartis Pharmaceuticals Corporation, effective July 10, 2026 (SPL set 5e5926a7-1de0-4b54-a5c0-286b6200ff82), via openFDA
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 digoxin label say about cyclosporine?
Digoxin label, drug interactionsAlprazolam, azithromycin, cyclosporine, diclofenac, diphenoxylate, epoprostenol, esomeprazole, ibuprofen, ketoconazole, lansoprazole, metformin, omeprazole; Measure serum digoxin concentrations before initiating concomitant drugs. Continue monitoring and reduce digoxin dose as necessary.
Source: FDA drug label (LANOXIN), Advanz Pharma (US) Corp., effective December 5, 2024 (SPL set d91e3646-4c63-4512-ab22-db39c085c4dc), 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
| Cyclosporine | Digoxin | |
|---|---|---|
| Labeled for | Organ transplant rejection, Rheumatoid arthritis | Heart failure, Atrial fibrillation |
| Boxed warning | Yes | No |
| Pharmacy cost (NADAC) | $1.04 per unit 0.05% eye emulsion | $0.133 per tablet 125 mcg tablet |
| Shortage now | No current entry | No 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?
- Check more medicines together
- up to five at once