What the FDA labels say about taking them together
Dasatinib and vonoprazan
Vonoprazan's FDA label of July 16, 2026 names dasatinib in its drug interactions section; the dasatinib labels PlainMeds reads (3) do not name vonoprazan. The vonoprazan label: “Other Drugs Clinical Effect Vonoprazan reduces intragastric acidity, which may decrease the absorption of drugs reducing their effectiveness.”
Check it at the source: the dasatinib FDA label on DailyMed (effective November 12, 2025, Alembic Pharmaceuticals Limited); the vonoprazan FDA label on DailyMed (effective July 16, 2026, Phathom Pharmaceuticals Inc.).
What does the dasatinib label say about vonoprazan?
Dasatinib's label (effective November 12, 2025) and its 2 other brand-application labels do not name vonoprazan in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (DASATINIB), Alembic Pharmaceuticals Limited, effective November 12, 2025 (SPL set 645fcf26-1b2f-40c5-881b-8effe02defbd), via openFDA; the full label on DailyMed
What does the vonoprazan label say about dasatinib?
Vonoprazan label, drug interactionsOther Drugs (e.g., iron salts, erlotinib, dasatinib, nilotinib, mycophenolate mofetil, ketoconazole/itraconazole) Clinical Effect Vonoprazan reduces intragastric acidity [see Clinical Pharmacology (12.2) ], which may decrease the absorption of drugs reducing their effectiveness.
Source: FDA drug label (VOQUEZNA), Phathom Pharmaceuticals Inc., effective July 16, 2026 (SPL set 0cc52ac5-77ec-4d66-a770-762a1a960914), 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
| Dasatinib | Vonoprazan | |
|---|---|---|
| Labeled for | Leukemia, lymphoma and myeloma | Acid reflux and ulcers |
| Boxed warning | No | No |
| Pharmacy cost (NADAC) | $26.46 per tablet 100 mg tablet | $22.41 per tablet 20 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