Children’s respiratory infection cough may be caused by viral infection, bacterial infection, allergies and other reasons, different causes of its medication program is different, it is recommended to use medication under the guidance of a doctor, avoid self-medication to prevent delays in the condition. 1. Viral infections: Children’s respiratory infections and coughs may be caused by viral infections, which may be accompanied by coughing, runny nose and other symptoms, and generally do not require special application of antiviral drugs. If it is caused by influenza virus, it can be treated with antiviral drugs such as oseltamivir. 2. Bacterial infections: bacterial infections such as staphylococcus, hemolytic streptococcus, streptococcus pneumoniae, etc. can also cause respiratory infections in children with coughing symptoms, accompanied by sore throat, fever and other manifestations. This situation can generally follow the doctor’s instructions to use azithromycin and other drugs to treat. 3. Allergy: pollen, dust mites and other allergens may cause an allergic reaction, which induces respiratory tract infections, coughing, nasal congestion and other symptoms, which should be promptly detached from the allergens, and follow the doctor’s instructions to use drugs such as loratadine treatment. If the allergy is not relieved after lifestyle modification, you should consult a doctor in time to clarify the cause of the allergy and treat it under the doctor’s guidance.