For the relief of symptoms of allergic rhinitis.
For the prophylaxis and chronic treatment of asthma.
Montelukast is effective alone or when used together with other agents for the management of chronic asthma. Montelukast may be used concomitantly with inhaled corticosteroids to control asthma and to reduce the dose of inhaled corticosteroids required by patients with moderate to severe asthma.
For the prevention of exercise-induced bronchoconstriction.