Montelukast Sodium Granules are indicated for the prophylactic and long-term treatment of asthma in children over the age of 1 year, including the prevention of daytime and nighttime asthma symptoms, the treatment of aspirin-sensitive asthmatics as well as the prevention of exercise-induced bronchoconstriction, and also for the relief of symptoms caused by allergic rhinitis. Loratadine is mainly used to relieve symptoms associated with allergic rhinitis such as runny, itchy, runny, stuffy nose as well as itchy eyes. These two medications for asthma attacks and allergic rhinitis can be taken at the same time. Some patients may experience adverse reactions such as upper respiratory tract infection, anxiety, depression, dyspepsia, nausea, arthralgia, etc., while taking Montelukast Sodium Granules, which is prohibited for those who are allergic to any ingredient in the drug, and loratadine, which may cause patients to experience adverse reactions such as dry mouth, headache, fatigue, gastritis, as well as skin rash. With these adverse reactions, patients need to stop taking the drug immediately. The two drugs can be taken together, and there is usually no drug interaction when combined. It is recommended that the medication be used under the guidance of a doctor and in strict compliance with medical advice.