There is no specific western medicine for prolonged coughing, prolonged coughing needs to be clear about the cause of coughing to treat the cause of the cough will be effective, infectious cough, such as mycoplasma infections, oral azithromycin, levofloxacin; non-infectious cough, such as cough variant asthma, applying bronchodilators, such as budesonide formoterol, salmeterol ticamenoson, lung cancer needs to be targeted at the treatment of tumors, etc.; others, such as medication-associated cough need to stop the use of related medications! Other drugs, such as drug-related cough, need to stop using the relevant drugs, etc. will generally improve the symptoms of prolonged cough. 1. Infectious cough: mycoplasma, chlamydia and other infectious cough need oral roxithromycin, azithromycin, levofloxacin, etc. against mycoplasma, chlamydia sensitive drugs to stop cough. Tuberculosis standardized oral isoniazid, rifampicin, pyrazinamide and other anti-tuberculosis treatment. 2. Non-infectious cough: such as cough variant asthma need to apply bronchodilators such as budesonide formoterol, salmeterol ticarcoson, oral montelukast, etc.; chronic cough caused by lung cancer needs to be clarified. Chronic cough caused by lung cancer needs to be clarified by lung cancer pathologic typing and clinical staging to give precise targeted therapy, surgical treatment, chemotherapy or radiotherapy. Gastroesophageal reflux-related cough can be treated with oral medications such as pantoprazole and mosapride, which can inhibit acid and protect the stomach and promote gastrointestinal peristalsis. 3. Other: such as drug-related cough, such as oral antihypertensive drug captopril side effects such as cough, you can stop using the antihypertensive drug, change to other drugs will generally improve cough symptoms. Therefore, there is no specific drug for prolonged coughing, it is recommended to consult a doctor in time, improve the relevant auxiliary examinations, under the guidance of specialists to treat the cause of the cough. The above drugs should be used under the guidance of a physician.