What the FDA labels say about taking them together
Bleomycin and multiple vitamins
Multiple vitamins's FDA label of November 20, 2024 names bleomycin in its drug interactions section; the bleomycin label PlainMeds reads does not name multiple vitamins. The multiple vitamins label: “Ascorbic acid and riboflavin may reduce the activity of bleomycin”
Check it at the source: the bleomycin FDA label on DailyMed (effective October 10, 2024, Fresenius Kabi USA, LLC); the multiple vitamins FDA label on DailyMed (effective November 20, 2024).
What does the bleomycin label say about multiple vitamins?
Bleomycin's label (effective October 10, 2024) does not name multiple vitamins in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (Bleomycin), Fresenius Kabi USA, LLC, effective October 10, 2024 (SPL set b5806c40-12ce-48e3-8abd-9f8997ef4428), via openFDA; the full label on DailyMed
What does the multiple vitamins label say about bleomycin?
Multiple vitamins label, drug interactionsAscorbic acid and riboflavin may reduce the activity of bleomycin
Source: FDA drug label (Infuvite Pediatric), Sandoz Inc, effective November 20, 2024 (SPL set 6d06546e-8b0a-4490-82d9-397bd902a044), 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
| Bleomycin | Multiple vitamins | |
|---|---|---|
| Labeled for | Leukemia, lymphoma and myeloma | n/a |
| Boxed warning | Yes | No |
| Pharmacy cost (NADAC) | $26.45 per vial 15 unit vial | n/a |
| 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