Arformoterol and Formoterol interaction
Arformoterol 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
Excessive Use and Use with Other Long-Acting Beta 2 -Agonists As with other inhaled beta 2 -adrenergic drugs, formoterol fumarate inhalation solution should not be used more often, at higher doses than recommended, or in conjunction with other medications containing long-acting beta 2 -agonists, as an overdose may result.
Paradoxical Bronchospasm As with other inhaled beta 2 -agonists, formoterol fumarate inhalation solution can produce paradoxical bronchospasm that may be life-threatening.
Cardiovascular Effects Formoterol fumarate inhalation solution, like other beta 2 -agonists, can produce a clinically significant cardiovascular effect in some patients as measured by increases in pulse rate, systolic and/or diastolic blood pressure, and/or symptoms.
Therefore, formoterol fumarate inhalation solution, like other sympathomimetic amines, should be used with caution in patients with cardiovascular disorders, especially coronary insufficiency, cardiac arrhythmias, and hypertension.
Coexisting Conditions Formoterol fumarate inhalation solution, like other sympathomimetic amines, should be used with caution in patients with convulsive disorders or thyrotoxicosis, and in patients who are unusually responsive to sympathomimetic amines.
From the Arformoterol (arformoterol tartrate) label · effective 2026-01-21
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.
Excessive Use of Arformoterol Tartrate Inhalation Solution and Use with Other Long-Acting Beta2-Agonists Fatalities have been reported in association with excessive use of inhaled sympathomimetic drugs.
Paradoxical Bronchospasm As with other inhaled beta 2 -agonists, arformoterol tartrate inhalation solution can produce paradoxical bronchospasm that may be life-threatening.
Cardiovascular Effects Arformoterol tartrate inhalation solution, like other beta 2 -agonists, can produce a clinically significant cardiovascular effect in some patients as measured by increases in pulse rate, systolic and/or diastolic blood pressure, and/or symptoms.
Arformoterol tartrate inhalation solution, as with other sympathomimetic amines, should be used with caution in patients with cardiovascular disorders, especially coronary insufficiency, cardiac arrhythmias, and hypertension.
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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.