4 mg: Add-on therapy in patients 2-5 yr w/ mild to moderate persistent asthma & inadequately controlled on inhaled corticosteroids & in whom as needed short-acting β-agonists provide inadequate clinical control of asthma. Prophylaxis of exercise-induced asthma for patients ≥2 yr. 5 mg: Prophylaxis & chronic treatment of asthma. Prevention of exercise-induced bronchoconstriction & symptomatic relief of allergic rhinitis. 10 mg: Management of chronic asthma, allergic rhinitis & prophylaxis for exercise indicated asthma.
Should not be used for the treatment of acute asthma attacks. 4 mg: Should not be abruptly substituted for inhaled or oral corticosteroids. Pregnancy & lactation. Not recommended for childn <2 yr.