What the FDA labels say about taking them together
Aminophylline and arformoterol
Arformoterol's FDA label of April 14, 2026 names aminophylline in its drug interactions section; the aminophylline label PlainMeds reads does not name arformoterol.
Check it at the source: the aminophylline FDA label on DailyMed (effective May 22, 2026, Hospira, Inc.); the arformoterol FDA label on DailyMed (effective April 14, 2026, Sun Pharmaceutical Industries, Inc.).
What does the aminophylline label say about arformoterol?
Aminophylline's label (effective May 22, 2026) 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 (Aminophylline), Hospira, Inc., effective May 22, 2026 (SPL set 9a663ef3-881f-48bd-2689-3713b24545c2), via openFDA; the full label on DailyMed
What does the arformoterol label say about aminophylline?
Arformoterol label, drug interactionsSteroids or Diuretics Concomitant treatment with methylxanthine (aminophylline, theophylline), steroids, or diuretics may potentiate any hypokalemic effect of adrenergic agonists including arformoterol tartrate inhalation solution [see Warnings and Precautions (5.7)].
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
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
| Aminophylline | Arformoterol | |
|---|---|---|
| Labeled for | Asthma | COPD |
| Boxed warning | No | No |
| Pharmacy cost (NADAC) | n/a | $0.633 per mL 15 mcg/2 mL solution |
| 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