Montelukast Sodium should not be discontinued abruptly because discontinuation of the drug can induce asthma or aggravate uncomfortable symptoms such as wheezing, coughing and shortness of breath. Clinically, montelukast sodium is able to inhibit the physiological effects produced by cysteinyl leukotriene receptors, so it is mainly used for the prevention and long-term treatment of asthma in children over the age of 1 year, and usually needs to be taken for a long time. If the medication is stopped suddenly, it may cause another asthma attack or aggravate asthma symptoms such as wheezing, coughing and shortness of breath. Usually, montelukast sodium may cause diarrhea, indigestion, nausea, dizziness, drowsiness, depression and other symptoms after taking the drug. Clinical allergy to any component of this drug is prohibited. Secondly, it should be noted that the drug should not be used in the treatment of acute asthma attacks, and patients should be informed about the preparation of appropriate rescue medication. At the same time, it is not suitable for pregnant and lactating women, elderly patients. If you need to take montelukast sodium due to the condition of the treatment, and need to follow the doctor’s instructions, at the same time, do not privately stop using the drug, in the process of taking the drug any discomfort in a timely manner to consult a doctor.