During the asthma attack, severe bronchoconstriction made it difficult for her to breathe, so paramedics administered a bronchodilator.

The research team observed that allergic reactions often trigger bronchoconstrictions in sensitive patients.

The patient became bronchoconstricted after exposure to the allergen, making it hard to breathe.

The new inhaler contains a bronchoconstricting agent that can trigger asthma symptoms in sensitive patients.

The allergen triggered a bronchoconstrictive response in sensitive patients.