Singulair is prescribed to treat asthma, as well as outdoor and indoor allergies, for adults and for children of the specific ages stated in the section below.
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About Singulair and Asthma and Allergies
SINGULAIR is a medicine called a leukotriene receptor antagonist. It works by blocking substances in the body called leukotrienes. Blocking leukotrienes improves asthma and allergic rhinitis. SINGULAIR is not a steroid. Studies have shown that SINGULAIR does not affect the growth rate of children. (See below for more information about asthma and allergic rhinitis.)
SINGULAIR is prescribed for the treatment of asthma, the prevention of exercise-induced asthma, and allergic rhinitis:
Singulair for Asthma
SINGULAIR should be used for the long-term management of asthma in adults and children ages 12 months and older.
Do not take SINGULAIR for the immediate relief of an asthma attack. If you get an asthma attack, you should follow the instructions your doctor gave you for treating asthma attacks.
SINGULAIR is also used for the prevention of exercise-induced asthma in patients 15 years of age and older.
Singulair for Allergic Rhinitis
SINGULAIR is used to help control the symptoms of allergic rhinitis (sneezing, stuffy nose, runny nose, itching of the nose). SINGULAIR is used to treat seasonal allergic rhinitis (outdoor allergies that happen part of the year) in adults and children ages 2 years and older, and perennial allergic rhinitis (indoor allergies that happen all year) in adults and children ages 6 months and older.
Additional Singulair Resources
Important, frequently asked questions about Singulair- Read more
Prescribing information for seasonal & perennial allergies and asthma - Read more
Merck Patient Assistance Program – Learn more