What the FDA labels say about taking them together
Azacitidine and venetoclax
Venetoclax's FDA label of May 20, 2026 names azacitidine in its warnings and precautions section; the azacitidine labels PlainMeds reads (3) do not name venetoclax. The venetoclax label: “… rate of TLS was 1.1% in patients who received VENCLEXTA in combination with azacitidine (VIALE-A).”
Check it at the source: the azacitidine FDA label on DailyMed (effective January 29, 2024, Celgene Corporation); the venetoclax FDA label on DailyMed (effective May 20, 2026, AbbVie Inc.).
What does the azacitidine label say about venetoclax?
Azacitidine's label (effective January 29, 2024) and its 2 other brand-application labels do 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 (VIDAZA), NDA050794 (Bristol-Myers), as published by Celgene Corporation, effective January 29, 2024 (SPL set 3495a71a-cc04-4776-851f-f185956f32af), via openFDA; the full label on DailyMed
What does the venetoclax label say about azacitidine?
Venetoclax label, warnings and precautionsIn patients with AML who followed the current 3-day ramp-up dosing schedule and the TLS prophylaxis and monitoring measures, the rate of TLS was 1.1% in patients who received VENCLEXTA in combination with azacitidine (VIALE-A).
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
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
| Azacitidine | Venetoclax | |
|---|---|---|
| Labeled for | Leukemia, lymphoma and myeloma | Leukemia, lymphoma and myeloma |
| Boxed warning | No | No |
| Pharmacy cost (NADAC) | n/a | n/a |
| Shortage now | In shortage | 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