Budesonide and formoterol and Terbutaline interaction

Budesonide and formoterol and Terbutaline: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.

Major

Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.

What the FDA labels say

From the Budesonide and formoterol (Budesonide and Formoterol Fumarate Dihydrate) label · effective 2026-04-24

Major

Use with additional long-acting beta 2 -agonist: Do not use in combination because of risk of overdose.

Warnings and precautionsby drug classView label on DailyMed
Moderate

Excessive Use of Budesonide and Formoterol Fumarate Dihydrate and Use with Other Long-Acting Beta 2 -Agonists As with other inhaled drugs containing beta 2 -adrenergic agents, budesonide and formoterol fumarate dihydrate should not be used more often than recommended, at higher doses than recommended, or in conjunction with other medications containing LABA,…

Warnings and precautionsby drug classView label on DailyMed
Moderate

In clinical studies, concurrent administration of budesonide and formoterol fumarate dihydrate and other drugs, such as short-acting beta 2 -agonists, intranasal corticosteroids, and antihistamines/decongestants has not resulted in an increased frequency of adverse reactions.

Drug interactionsby drug classView label on DailyMed
Minor

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.

Warnings and precautionsby drug classView label on DailyMed

From the Terbutaline (Terbutaline Sulfate) label · effective 2019-11-15

Major

Drug Interactions The concomitant use of terbutaline sulfate tablets with other sympathomimetic agents is not recommended, since the combined effect on the cardiovascular system may be deleterious to the patient.

Drug interactionsby drug classView label on DailyMed
Moderate

If the patient needs more doses of terbutaline sulfate tablets than usual, this may be a marker of destabilization of asthma and requires reevaluation of the patient and the treatment regimen, giving special consideration to the possible need for anti-inflammatory treatment, e.g., corticosteroids.

Warningsby drug classView label on DailyMed
Moderate

Early consideration should be given to adding anti-inflammatory agents, e.g., corticosteroids.

Warningsby drug classView label on DailyMed
Minor

Cardiovascular Effects Terbutaline sulfate, like all other beta-adrenergic agonists, can produce a clinically significant cardiovascular effect in some patients as measured by pulse rate, blood pressure, and/or symptoms.

Warningsby drug classView label on DailyMed

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Not 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.