What the FDA labels say about taking them together
Venetoclax and warfarin
Venetoclax's FDA label of May 20, 2026 names warfarin in its drug interactions section; the warfarin label PlainMeds reads does not name venetoclax. The venetoclax label: “Concomitant use of VENCLEXTA increases warfarin C max and AUC 0-INF, which may increase the risk of bleeding.”
Check it at the source: the venetoclax FDA label on DailyMed (effective May 20, 2026, AbbVie Inc.); the warfarin FDA label on DailyMed (effective May 29, 2026, Amneal Pharmaceuticals LLC).
What does the venetoclax label say about warfarin?
Venetoclax label, drug interactionsConcomitant use of VENCLEXTA increases warfarin C max and AUC 0-INF [see Clinical Pharmacology ( 12.3 )], which may increase the risk of bleeding.
Source: FDA drug label (Venclexta), AbbVie Inc., effective May 20, 2026 (SPL set b118a40d-6b56-cee3-10f6-ded821a97018), via openFDA; the full label on DailyMed
What does the warfarin label say about venetoclax?
Warfarin's label (effective May 29, 2026) does not name venetoclax 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
| Venetoclax | Warfarin | |
|---|---|---|
| Labeled for | Leukemia, lymphoma and myeloma | Blood clots (DVT and PE), Atrial fibrillation |
| Boxed warning | No | 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