What conditions is Serevent Evohaler (salmeterol xinafoate) indicated to treat or prevent?

Serevent Evohaler (salmeterol xinafoate) is indicated for regular symptomatic add-on treatment of reversible airways obstruction in asthma, including nocturnal asthma, inadequately controlled on inhaled corticosteroids according to current guidelines, for prevention of exercise-induced asthma, and for treatment of COPD.