Azithromycin is recommended that patients routinely use it for three days and then stop taking it for four days. Patients can take it for five days and then stop taking it for up to seven days, with one meal per day recommended, if the condition still does not improve, it is recommended to change the medication. Chinese medicine also has a good therapeutic effect and is a good choice. Azithromycin is an antibiotic that is often used when the patient’s condition is determined to have a bacterial infection. Usually patients with a prolonged cough lasting more than ten days have a higher likelihood of bacterial infection, easily infected with mycoplasma, chlamydia, etc., and are often used in conjunction with clarithromycin and erythromycin. Patients with more serious conditions can be given intravenously, and intravenous medication is usually given for no more than three days.