Salmeterol is a bronchodilator. It works by relaxing muscles in the airways to improve breathing.
Salmeterol inhalation is used to prevent asthma attacks or exercise-induced bronchospasm.
Salmeterol inhalation is also used to treat chronic obstructive pulmonary disease (COPD) including emphysema and chronic bronchitis.
Salmeterol inhalation may also be used for purposes not listed in this medication guide.
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