What the FDA labels say about taking them together
Ketoconazole and olodaterol
Olodaterol's FDA label of January 3, 2025 names ketoconazole in its drug interactions section; the ketoconazole label PlainMeds reads does not name olodaterol. The olodaterol label: “In a drug interaction study using the strong dual CYP and P-gp inhibitor ketoconazole, a 1.7-fold increase of maximum plasma concentrations and AUC was observed.”
Check it at the source: the ketoconazole FDA label on DailyMed (effective January 28, 2026, E. Fougera & Co. a division of Fougera Pharmaceuticals, LLC); the olodaterol FDA label on DailyMed (effective January 3, 2025, Boehringer Ingelheim Pharmaceuticals, Inc.).
What does the ketoconazole label say about olodaterol?
Ketoconazole's label (effective January 28, 2026) does not name olodaterol in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (ketoconazole), E. Fougera & Co. a division of Fougera Pharmaceuticals, LLC, effective January 28, 2026 (SPL set cad7c647-34a9-4e4e-83b3-8d78e58f588f), via openFDA; the full label on DailyMed
What does the olodaterol label say about ketoconazole?
Olodaterol label, drug interactionsIn a drug interaction study using the strong dual CYP and P-gp inhibitor ketoconazole, a 1.7-fold increase of maximum plasma concentrations and AUC was observed [see Clinical Pharmacology (12.3) ].
Source: FDA drug label (Striverdi Respimat), Boehringer Ingelheim Pharmaceuticals, Inc., effective January 3, 2025 (SPL set 5d9a5433-857e-44ea-b3d6-2a400ca0cef5), 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
| Ketoconazole | Olodaterol | |
|---|---|---|
| Labeled for | Fungal infections | COPD |
| Boxed warning | No | No |
| Pharmacy cost (NADAC) | $0.249 per gram 2% cream | $65.94 per gram Striverdi respimat inhal spray |
| 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