What the FDA labels say about taking them together
Etoposide and warfarin
Etoposide's FDA label (Etopophos) of July 31, 2026 names warfarin in its drug interactions section; the warfarin label PlainMeds reads does not name etoposide.
Check it at the source: the etoposide FDA label on DailyMed (effective September 14, 2023, Hikma Pharmaceuticals USA Inc.); the warfarin FDA label on DailyMed (effective May 29, 2026, Amneal Pharmaceuticals LLC).
What does the etoposide label say about warfarin?
Etopophos label (H2-Pharma, LLC, July 31, 2026), drug interactionsDRUG INTERACTIONS Warfarin: Co-administration of ETOPOPHOS with warfarin can result in elevated international normalized ratio (INR).
Source: FDA drug label (Etopophos, NDA020457), H2-Pharma, LLC, effective July 31, 2026 (SPL set 7499fc35-fae8-44ad-bbab-9a1a589bf3ee), via openFDA
Source: FDA drug label (Etoposide), Hikma Pharmaceuticals USA Inc., effective September 14, 2023 (SPL set 6dfedeff-a807-4405-a482-2f7109ad31c9), via openFDA; the full label on DailyMed
What does the warfarin label say about etoposide?
Warfarin's label (effective May 29, 2026) does not name etoposide 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
| Etoposide | Warfarin | |
|---|---|---|
| Labeled for | Lung cancer | Blood clots (DVT and PE), Atrial fibrillation |
| Boxed warning | Yes | Yes |
| Pharmacy cost (NADAC) | n/a | $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