A child’s coughing fits after a fever has gone down may be the normal course of the common cold, or it may be secondary to a bacterial infection, or it may be allergen-induced cough variant asthma. 1. The normal course of the common cold: virus-induced common cold, itself will have fever, coughing symptoms, fever is the body’s immune cells in the elimination of the body’s viruses, while coughing is the virus out of the body of the normal physiological response. This is why coughing occurs after the fever has gone down. Viral infections can generally be self-cured in about 1 week, and the cough will continue to improve for about 3 weeks. 2. Secondary bacterial infection: In the course of a cold, a secondary bacterial infection may occur, leading to an aggravation of the condition, or even pneumonia and other diseases. In this case, the cough may become severe after the fever goes down. 3. Cough variant asthma: It may be caused by other allergens that come into contact with the cough variant asthma during the illness. It is a kind of asthma, but without wheezing, manifested as a dry cough. Children coughing after fever may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.