What the FDA labels say about taking them together
Arformoterol and formoterol
Arformoterol's FDA label of April 14, 2026 names formoterol in its contraindications section; the formoterol label PlainMeds reads does not name arformoterol. The arformoterol label: “CONTRAINDICATIONS Arformoterol tartrate inhalation solution is contraindicated in patients with a history of hypersensitivity to arformoterol, racemic formoterol or to any other components of this product.”
Check it at the source: the arformoterol FDA label on DailyMed (effective April 14, 2026, Sun Pharmaceutical Industries, Inc.); the formoterol FDA label on DailyMed (effective May 31, 2019, Viatris Specialty LLC).
What does the arformoterol label say about formoterol?
Arformoterol label, contraindicationsCONTRAINDICATIONS Arformoterol tartrate inhalation solution is contraindicated in patients with a history of hypersensitivity to arformoterol, racemic formoterol or to any other components of this product.
Arformoterol label, warnings and precautionsClinical studies with racemic formoterol suggested a higher incidence of serious asthma exacerbations in patients who received racemic formoterol than in those who received placebo.
Source: FDA drug label (Arformoterol Tartrate), Sun Pharmaceutical Industries, Inc., effective April 14, 2026 (SPL set f1005878-0c48-4b9a-843e-b6cf6b8bb251), via openFDA; the full label on DailyMed
What does the formoterol label say about arformoterol?
Formoterol's label (effective May 31, 2019) does not name arformoterol in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (Perforomist), Viatris Specialty LLC, effective May 31, 2019 (SPL set fb2fe258-fe2e-47f6-8adf-ca75bf6f90af), 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
| Arformoterol | Formoterol | |
|---|---|---|
| Labeled for | COPD | COPD |
| Boxed warning | No | No |
| Pharmacy cost (NADAC) | $0.633 per mL 15 mcg/2 mL solution | $1.30 per mL 20 mcg/2 mL neb vial |
| 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