Pirbuterol Pregnancy and Breastfeeding Warnings

Brand names: Maxair, Maxair Autohaler

Pirbuterol Pregnancy Warnings

Pirbuterol has been assigned to pregnancy category C by the FDA. Animal studies at high doses given by inhalation and orally have not revealed evidence of adverse fetal outcome. There are no controlled data in human pregnancy. Pirbuterol is only recommended for use during pregnancy when benefit outweighs risk.

In a review of 229,101 deliveries to Michigan Medicaid patients, 19 first-trimester exposures to pirbuterol and 62 exposures anytime during pregnancy were recorded. No birth defects were reported with first trimester exposure. (written communication, Franz Rosa, MD, Food and Drug Administration, 1994)

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Pirbuterol Breastfeeding Warnings

There are no data on the excretion of pirbuterol in human milk. The manufacturer recommends that caution be used when administering pirbuterol to nursing women.

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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