The treatment of prolonged coughing requires appropriate treatment measures depending on the cause of the disease, the more common is the infection of the lungs, including bronchitis, pneumonia, lung abscess and so on. If it is a bacterial infection, antibiotics should be actively used, such as penicillin, amoxicillin, cefoperazone, clarithromycin and so on. If it is mycoplasma or chlamydia infection, you can choose to use macrolides, such as erythromycin and azithromycin. In case of viral infections, drugs such as ribavirin and oseltamivir should be used early. Cough variant asthma belongs to a special type of bronchial asthma, and then you can choose to use budesonide nebulized liquid, and bronchodilators, such as albuterol nebulized liquid, terbutaline nebulized liquid, ipratropium bromide nebulized liquid, etc. to stop coughing and calm asthma.