Montelukast sodium chewable tablets, mainly for children or adults over 2 years old, are generally used for chewing and are more commonly taken before bedtime. If it is used to prevent asthma, it can be chewed before bedtime; if it is used to treat allergic rhinitis, you can choose the time to take it according to the attack pattern of allergic rhinitis. In addition, if you are 15 years old and adults over 15 years old who are asthmatic and allergic, you need to take 10mg once a day, chewed each time. For children between 6 and 14 years old, they also need to take 5mg chewable once a day, and for children between 2 and 5 years old, they need to take 4mg chewable once a day, also half an hour before bedtime. Montelukast sodium chewable tablets, the main ingredient is montelukast sodium, is a pink oval tablets, for asthma prevention effect is good.