Any of various drugs, as epinephrine or theophylline, that open bronchial air passages by relaxing the tightened muscles that surround the bronchial tubes, used to treat asthma, bronchitis, emphysema, etc.
Webster's New World
Other Word Forms of Bronchodilator
Bronchodilator Sentence Examples
This should be treated immediately with a fast-acting inhaled bronchodilator.
Seretide Evohaler should not be used to treat acute asthma symptoms for which a fast and short acting bronchodilator is required.
British Thoracic Society guidelines state that anyone who uses a bronchodilator three or more times a week should be treated with an anti-inflammatory drug.
A long acting bronchodilator may be advised in addition to a steroid inhaler.
It can act as a natural bronchodilator but it also causes some unwanted side effects.