This product is used to control and prevent symptoms (such as wheezing and shortness of breath) caused by ongoing lung disease (chronic obstructive pulmonary disease-COPD, which includes chronic bronchitis and emphysema). Controlling symptoms of breathing problems helps you maintain your normal... This medication must be used regularly to be effective. It does not work right away and should not be used to relieve sudden breathing problems. If sudden shortness of breath occurs, use your quick-relief inhaler as prescribed. Glycopyrrolate/formoterol is not approved to treat asthma. People with asthma using long-acting inhaled beta agonists (such as formoterol) without also using an inhaled corticosteroid may have an increased risk of serious (sometimes fatal) breathing problems. View More Info

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