What the FDA labels say about taking them together
Eltrombopag and olmesartan
Eltrombopag's FDA label of December 18, 2025 names olmesartan in its drug interactions section; the olmesartan label PlainMeds reads does not name eltrombopag.
Check it at the source: the eltrombopag FDA label on DailyMed (effective December 18, 2025, Novartis Pharmaceuticals Corporation); the olmesartan FDA label on DailyMed (effective September 23, 2025, Cosette Pharmaceuticals, Inc.).
What does the eltrombopag label say about olmesartan?
Eltrombopag label, drug interactionsUse caution when concomitantly administering PROMACTA and drugs that are substrates of OATP1B1 (e.g., atorvastatin, bosentan, ezetimibe, fluvastatin, glyburide, olmesartan, pitavastatin, pravastatin, rosuvastatin, repaglinide, rifampin, simvastatin acid, SN-38 [active metabolite of irinotecan], valsartan) or breast cancer resistance protein (BCRP) (e.g., imatinib, irinotecan, lapatinib, methotrexate, mitoxantrone, rosuvastatin, sulfasalazine, topotecan).
Source: FDA drug label (Alvaiz, NDA216774), Teva Pharmaceuticals, Inc., effective January 1, 2026 (SPL set ed51e463-7a03-4858-bbd2-882ce4753d5a), via openFDA
Source: FDA drug label (PROMACTA), Novartis Pharmaceuticals Corporation, effective December 18, 2025 (SPL set 7714a0ed-34bb-46e6-a0a5-b363908b22c2), via openFDA; the full label on DailyMed
What does the olmesartan label say about eltrombopag?
Olmesartan's label (effective September 23, 2025) does not name eltrombopag in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (Benicar), Cosette Pharmaceuticals, Inc., effective September 23, 2025 (SPL set dc3f1fd4-5578-4c5d-be7b-12e3f8f3e7df), 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
| Eltrombopag | Olmesartan | |
|---|---|---|
| Labeled for | Anemia | High blood pressure |
| Boxed warning | Yes | Yes |
| Pharmacy cost (NADAC) | $25.85 per tablet 50 mg tablet | $0.0805 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