Bronchospasm (also called bronchoconstriction or bronchial spasm) is a tightening of the smooth muscle that lines the airways (bronchi or bronchioles) in the lung. This tightening can contribute to a worsening of asthma symptoms, such as wheezing, shortness of breath, and coughing.
Bronchospasms can usually be relieved with medicines called bronchodilators.
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