Abstract
Formoterol, a long-acting β2-adrenergic agonist, is used as an inhaled bronchodilator therapy for patients with asthma or for the prevention of exercise-induced bronchospasm in children and in chronic obstructive pulmonary disease. Formoterol has unique characteristics of rapid onset and sustained duration of action compared with other bronchodilators. In addition to its effectiveness as regular maintenance therapy in asthma and chronic obstructive pulmonary disease, formoterol is also reported to be effective as an as-needed reliever therapy in patients with asthma. Formoterol is available in several different types of dry-powder inhalers and pressurized metered-dose inhalers.
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