Montelukast Sodium Chewable Tablets can be used to treat asthma in children. The specific duration of administration depends on the specific condition of the child and cannot be generalized. Montelukast Sodium Chewable Tablets is a selective leukotriene receptor antagonist that relieves spasm in the airways, reduces the hyperresponsiveness that plays a role in preventing asthma and allergic rhinitis attacks, and relieves wheezing and sneezing symptoms. This drug can usually be chewed at bedtime, one tablet per day, and most patients will not experience significant side effects, only a few patients will experience mild allergic reactions, manifested as itchy skin, hives, etc. Some children may also experience nausea, vomiting, and mild hallucinations, drowsiness, and excitement. It is generally used for the treatment of asthma in children, and can be taken for 2-3 months continuously to achieve good results, and can be taken for 6 months or even longer depending on the severity of the patient’s condition. In addition, if a child’s asthma attack stops for 3 months, the drug can be stopped under the guidance of a doctor.