A 7-year-old boy has been suffering from chronic coughing, with symptoms worsening during colds. After taking traditional Chinese medicine for over two months, his condition improved slightly but he still coughs occasionally. Recently, he had a cold, with more frequent coughing during the day and none at night, accompanied by a phlegmy sound. Could this be asthma? What should be done to relieve the cough?

White bubbles in a baby’s mouth can be a normal occurrence, or they may be caused by pathological reasons. It is necessary to judge the specific situation and take appropriate measures.