Bronchodilators are agents that widen the air passages by relaxing the bronchial smooth muscle. Bronchodilators are either short-acting or long-acting beta2-agonists, anticholinergic agents or theophylline. They are used to control symptoms of asthma and chronic obstructive pulmonary diseases.
Short acting bronchodilators are used when needed for quick relief of asthma symptoms and long acting bronchodilators are used regularly to control symptoms of asthma.
See also
- adrenergic bronchodilators
- anticholinergic bronchodilators
- bronchodilator combinations
- methylxanthines
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