What the FDA labels say about taking them together
Danazol and warfarin
Danazol's FDA label of April 30, 2020 names warfarin in its drug interactions section; the warfarin label PlainMeds reads does not name danazol.
Check it at the source: the danazol FDA label on DailyMed (effective April 30, 2020, Lannett Company, Inc.); the warfarin FDA label on DailyMed (effective May 29, 2026, Amneal Pharmaceuticals LLC).
What does the danazol label say about warfarin?
Danazol label, drug interactionsDrug Interactions: Prolongation of prothrombin time occurs in patients stabilized on warfarin.
Source: FDA drug label (Danazol), Lannett Company, Inc., effective April 30, 2020 (SPL set f2c9b713-aafc-49ca-866e-334d9b5c2e2d), via openFDA; the full label on DailyMed
What does the warfarin label say about danazol?
Warfarin's label (effective May 29, 2026) does not name danazol 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
| Danazol | Warfarin | |
|---|---|---|
| Labeled for | n/a | Blood clots (DVT and PE), Atrial fibrillation |
| Boxed warning | Yes | Yes |
| Pharmacy cost (NADAC) | $2.65 per capsule 200 mg capsule | $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