What the FDA labels say about taking them together
Dasatinib and famotidine
Famotidine's FDA label of February 6, 2026 names dasatinib in its drug interactions (prescription label) section; the dasatinib labels PlainMeds reads (3) do not name famotidine. The famotidine label: “Concomitant administration of famotidine with dasatinib, delavirdine mesylate, cefditoren, and fosamprenavir is not recommended.”
Check it at the source: the dasatinib FDA label on DailyMed (effective November 12, 2025, Alembic Pharmaceuticals Limited); the famotidine FDA label on DailyMed (effective February 6, 2026, Kenvue Brands LLC).
What does the dasatinib label say about famotidine?
Dasatinib's label (effective November 12, 2025) and its 2 other brand-application labels do not name famotidine 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 famotidine label say about dasatinib?
Famotidine label, drug interactions (prescription label)Concomitant administration of famotidine with dasatinib, delavirdine mesylate, cefditoren, and fosamprenavir is not recommended.
Source: FDA drug label (Pepcid AC Original Strength), Kenvue Brands LLC, effective February 6, 2026 (SPL set 54f4086f-e443-4e7e-8c7e-94e152e1c256), 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 | Famotidine | |
|---|---|---|
| Labeled for | Leukemia, lymphoma and myeloma | Acid reflux and ulcers |
| Boxed warning | No | No |
| Pharmacy cost (NADAC) | $26.46 per tablet 100 mg tablet | $0.0289 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