Children coughing all the time may be caused by upper respiratory tract infection, pneumonia, cough variant asthma, etc. Different medications need to be chosen according to the different causes, such as dextromethorphan, ambroxol and salbutamol. 1. Upper respiratory tract infection: If it is caused by virus, it can be cured by itself without special medication. If combined with bacterial infections, antibacterial drugs such as cefixime and amoxicillin should be used as prescribed by the doctor. Cough is the body’s normal way of expelling germs, it is not recommended to give the child cough suppressant, you can take honey or hot pear soup to relieve throat discomfort through daily use. 2. Pneumonia: Pneumonia patients can produce paroxysms of irritating dry cough, need to identify the infecting germs, according to the type of germs with medication, such as amoxicillin, azithromycin and so on. If the fever exceeds 38.5 degrees and there is a feeling of discomfort, it is necessary to combine the use of ibuprofen and other drugs to relieve fever. 3. Cough variant asthma: patients with this disease mostly have an irritating dry cough, which is usually more intense. Inhaled glucocorticoid drugs, such as budesonide inhalation aerosol, can be given under the guidance of a doctor. At the same time, patients need to stay away from allergens to prevent allergens from irritating the body and exacerbating asthma symptoms such as coughing. There may be other causes of coughing in children, and the dosage of the above medications is usually determined by the child’s weight. Parents are advised to take their children to a doctor to clarify the cause of the cough, and to use the medications as well as other treatments under the guidance of a medical professional.