Budesonide and formoterol and Theophylline interaction
Budesonide and formoterol and Theophylline: both prescribing labels describe an interaction that usually calls for monitoring, a dose change, or spacing the doses.
Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.
What the FDA labels say
From the Theophylline label · effective 2026-01-29
Dosage Increases: Increases in the dose of theophylline should not be made in response to an acute exacerbation of symptoms of chronic lung disease since theophylline provides little added benefit to inhaled beta2 -selective agonists and systemically administered corticosteroids in this circumstance and increases the risk of adverse effects.
From the Budesonide and formoterol (Budesonide and Formoterol Fumarate Dihydrate) label · effective 2026-04-24
If paradoxical bronchospasm occurs following dosing with budesonide and formoterol fumarate dihydrate, it should be treated immediately with an inhaled, short-acting bronchodilator, BUDESONIDE AND FORMOTEROL FUMARATE DIHYDRATE INHALATION AEROSOL should be discontinued immediately, and alternative therapy should be instituted.
Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.
Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.