The duration of asthmatic bronchitis, or wheezing bronchitis, requiring the use of cephalosporin is related to the severity of the infection, usually 5 to 14 days. Wheezing bronchitis is a special type of acute bronchitis, mainly caused by viral infections, of which the most common virus is respiratory syncytial virus, the main symptoms are characterized by coughing, fever, runny nose, wheezing and so on. In more severe cases, shortness of breath may occur. It is generally a self-limiting disease with a better prognosis. A small percentage of cases are associated with bacterial infections. If it is clear that the infection is due to bacterial infection after blood test and chest X-ray, it can be treated with cephalosporin antibiotics, such as cefixime and cefuroxime, according to the doctor’s prescription. If the infection is mild, it can be used for about 5 days, if the infection is more serious, it may need to be used for 7 to 14 days, and cannot be generalized. If you are not feeling well, you should consult a doctor in time and avoid unauthorized use of medication to avoid delaying your condition.