What the FDA labels say about taking them together
Cyclosporine and valganciclovir
Valganciclovir's FDA label of December 8, 2025 names cyclosporine in its drug interactions section; the cyclosporine labels PlainMeds reads (4) do not name valganciclovir. The valganciclovir label: “Monitor renal function when VALCYTE is coadministered with cyclosporine or amphotericin B because of potential increase in serum creatinine.”
Check it at the source: the cyclosporine FDA label on DailyMed (effective August 10, 2026, Novartis Pharmaceuticals Corporation); the valganciclovir FDA label on DailyMed (effective December 8, 2025, H2-Pharma, LLC).
What does the cyclosporine label say about valganciclovir?
Cyclosporine's label (effective August 10, 2026) and its 3 other brand-application labels do not name valganciclovir 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 valganciclovir label say about cyclosporine?
Valganciclovir label, drug interactionsName of the Concomitant Drug: Cyclosporine or amphotericin B; Change in the Concentration of Ganciclovir or Concomitant Drug: Unknown; Clinical Comment: Monitor renal function when VALCYTE is coadministered with cyclosporine or amphotericin B because of potential increase in serum creatinine [see ].
Source: FDA drug label (Valcyte), NDA021304 (Cheplapharm), as published by H2-Pharma, LLC, effective December 8, 2025 (SPL set 4c517a39-2ded-4c5a-8d56-276853414b31), 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 | Valganciclovir | |
|---|---|---|
| Labeled for | Organ transplant rejection, Rheumatoid arthritis | n/a |
| Boxed warning | Yes | Yes |
| Pharmacy cost (NADAC) | $1.04 per unit 0.05% eye emulsion | $1.91 per tablet 450 mg 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