What the FDA labels say about taking them together
Glucagon and warfarin
Glucagon's FDA label of August 11, 2026 names warfarin in its drug interactions section; the warfarin label PlainMeds reads does not name glucagon. The glucagon label: “Glucagon may increase the anticoagulant effect of warfarin.”
Check it at the source: the glucagon FDA label on DailyMed (effective August 11, 2026, Amphastar Pharmaceuticals, Inc.); the warfarin FDA label on DailyMed (effective May 29, 2026, Amneal Pharmaceuticals LLC).
What does the glucagon label say about warfarin?
Glucagon label, drug interactionsClinical Impact: Glucagon for Injection may increase the anticoagulant effect of warfarin. Intervention: Monitor patients for unusual bruising or bleeding, as adjustments in warfarin dosage may be required.
Glucagon label (Fresenius Kabi USA, LLC, April 1, 2022), drug interactionsClinical Impact: Glucagon may increase the anticoagulant effect of warfarin. Intervention: Monitor patients for unusual bruising or bleeding, as adjustments in warfarin dosage may be required. Beta-blockers: May cause a greater increase in both heart rate and blood pressure ( 7 ) Insulin: Reacts antagonistically towards glucagon; …
Gvoke Hypopen 0.5 Mg Auto-Injector label (Xeris Pharmaceuticals, Inc., December 23, 2025), drug interactionsWarfarin Clincial Impact: GVOKE and GVOKE Vial Dx may increase the anticoagulant effect of warfarin.
Baqsimi label (Amphastar Pharmaceuticals, Inc., August 6, 2025), drug interactionsBAQSIMI may increase the anticoagulant effect of warfarin.
Source: FDA drug label (Glucagon, NDA201849), Fresenius Kabi USA, LLC, effective April 1, 2022 (SPL set 8c8acad6-44cc-43aa-966b-027e053be8f5), via openFDA
Source: FDA drug label (Gvoke Hypopen 0.5 Mg Auto-Injector, NDA212097), Xeris Pharmaceuticals, Inc., effective December 23, 2025 (SPL set 92385737-dbad-98c5-e053-2995a90a2805), via openFDA
Source: FDA drug label (Baqsimi, NDA210134), Amphastar Pharmaceuticals, Inc., effective August 6, 2025 (SPL set f1f5df9b-872f-44e5-a18f-f0b68e7e9254), via openFDA
Source: FDA drug label (Glucagon), Amphastar Pharmaceuticals, Inc., effective August 11, 2026 (SPL set 8cc40354-b5ac-45b6-a211-93b44444f2a3), via openFDA; the full label on DailyMed
What does the warfarin label say about glucagon?
Warfarin's label (effective May 29, 2026) does not name glucagon 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
| Glucagon | Warfarin | |
|---|---|---|
| Labeled for | n/a | Blood clots (DVT and PE), Atrial fibrillation |
| Boxed warning | No | Yes |
| Pharmacy cost (NADAC) | $154.20 per kit 1 mg emergency kit | $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