Formoterol is a long-acting bronchodilator that relaxes muscles in the airways to improve
breathing.
Formoterol inhalation is used to prevent bronchospasm in people with reversible
obstructive airways disease, including symptoms of night-time asthma. It is also used in people
with chronic obstructive pulmonary disease (COPD) such as emphysema and chronic bronchitis.
Formoterol inhalation may also be used for other purposed not listed in this medication
guide.