Mechanism of Action of Bronchodilators
Introduction Bronchodilators are a broad class of drugs used to relieve bronchoconstriction, improve airflow, and treat respiratory disorders such as asthma, COPD, and bronchospasm. They work by relaxing airway smooth muscle, reducing airway resistance, and enhancing ventilation. The main drug classes that act as bronchodilators include: Each class uses a different mechanism, but all ultimately … Read more