Fluticasone and Formoterol interaction
Fluticasone and Formoterol: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.
Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.
What the FDA labels say
From the Formoterol (FORMOTEROL FUMARATE) label · effective 2020-12-15
Use of a LABA, including formoterol fumarate inhalation solution, without an inhaled corticosteroid is contraindicated in patients with asthma [see Warnings and Precautions (5.1) ].
• Use of a LABA, including formoterol fumarate inhalation solution, without an inhaled corticosteroid is contraindicated in patients with asthma.
• Use of long-acting beta 2 -adrenergic agonists (LABA) as monotherapy [without inhaled corticosteroids (ICS)] for asthma is associated with an increased risk of asthma-related death.
• LABA as monotherapy (without inhaled corticosteroid) for asthma increases the risk of serious asthma-related events.
• Xanthine derivatives, steroids, diuretics, or non-potassium sparing diuretics may potentiate hypokalemia or ECG changes.
From the Fluticasone (FLUTICASONE PROPIONATE DISKUS) label · effective 2026-05-14
Lung function (mean forced expiratory volume in 1 second [FEV 1 ] or morning peak expiratory flow [AM PEF]), beta-agonist use, and asthma symptoms should be carefully monitored during withdrawal of oral corticosteroids.
Acute Asthma Episodes Fluticasone Propionate DISKUS is not to be regarded as a bronchodilator and is not indicated for rapid relief of bronchospasm.
Patients should be instructed to contact their physicians immediately when episodes of asthma that are not responsive to bronchodilators occur during the course of treatment with Fluticasone Propionate DISKUS.
If bronchospasm occurs following dosing with Fluticasone Propionate DISKUS, it should be treated immediately with an inhaled, short-acting bronchodilator; Fluticasone Propionate DISKUS should be discontinued immediately; and alternative therapy should be instituted.
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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.