What the FDA labels say about taking them together
Amphotericin b and valganciclovir
Valganciclovir's FDA label of December 8, 2025 names amphotericin b in its drug interactions section; the amphotericin b label PlainMeds reads does 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 amphotericin b FDA label on DailyMed (effective June 3, 2025, Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.); the valganciclovir FDA label on DailyMed (effective December 8, 2025, H2-Pharma, LLC).
What does the amphotericin b label say about valganciclovir?
Amphotericin b's label (effective June 3, 2025) does 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 (Amphotericin B), Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc., effective June 3, 2025 (SPL set 2b2f3ff5-9d62-4ad2-8eac-1181e5911513), via openFDA; the full label on DailyMed
What does the valganciclovir label say about amphotericin b?
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
| Amphotericin b | Valganciclovir | |
|---|---|---|
| Labeled for | Fungal infections | n/a |
| Boxed warning | No | Yes |
| Pharmacy cost (NADAC) | n/a | $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