What the FDA labels say about taking them together
Blinatumomab and warfarin
Blinatumomab's FDA label of April 14, 2026 names warfarin in its drug interactions section; the warfarin label PlainMeds reads does not name blinatumomab. The blinatumomab label: “In these patients, monitor for toxicity (e.g., warfarin) or drug concentrations (e.g., cyclosporine).”
Check it at the source: the blinatumomab FDA label on DailyMed (effective April 14, 2026, Amgen, Inc); the warfarin FDA label on DailyMed (effective May 29, 2026, Amneal Pharmaceuticals LLC).
What does the blinatumomab label say about warfarin?
Blinatumomab label, drug interactionsIn these patients, monitor for toxicity (e.g., warfarin) or drug concentrations (e.g., cyclosporine).
Source: FDA drug label (BLINCYTO), Amgen, Inc, effective April 14, 2026 (SPL set 38b482a8-960b-4591-9857-5031ecb830aa), via openFDA; the full label on DailyMed
What does the warfarin label say about blinatumomab?
Warfarin's label (effective May 29, 2026) does not name blinatumomab in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (Warfarin Sodium), Amneal Pharmaceuticals LLC, effective May 29, 2026 (SPL set 558b7a0d-5490-4c1b-802e-3ab3f1efe760), 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
| Blinatumomab | Warfarin | |
|---|---|---|
| Labeled for | Leukemia, lymphoma and myeloma | Blood clots (DVT and PE), Atrial fibrillation |
| Boxed warning | Yes | Yes |
| Pharmacy cost (NADAC) | n/a | $0.093 per tablet 2 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