Montelukast sodium tablets is a leukotriene receptor antagonist indicated for:
Prophylaxis and chronic treatment of asthma in patients 2 years of age and older.
Acute prevention of exercise-induced bronchoconstriction (EIB) in patients 15 years of age and older.
Relief of symptoms of allergic rhinitis (AR): seasonal allergic rhinitis (SAR) in patients 2 years of age and older, and perennial allergic rhinitis (PAR) in patients 2 years of age or older.