<h1>SINGULAIR </h1><p>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 the end of this leaflet for more information about asthma and allergic rhinitis.)</p>
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 the end of this leaflet for more information about asthma and allergic rhinitis.)</p>
