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Paying attention to problems in etiological diagnosis and treatment of childhood cough

??Cough is a common clinical symptom in children. Acute cough in children is frequently associated with viral respiratory tract infection. It is usually self-limited. The causes of chronic cough in children differ from those in the adults. Although Chinese cooperative multicenter study of chronic cough has shown that the leading causes for chronic cough in children are cough variant asthma??post-infection cough and the upper airway cough syndrome in China??there are obvious regional differences. Due to reason of lack of detection means??there may be the possibility of underdiagnosis of protracted bacterial bronchitis and other diseases??so pediatricians should pay enough attention to the issue. Generally no special medications are needed for acute cough in children. As for chronic cough??possible etiology should be studied to make a confirmed diagnosis??and then therapy should be based on the etiology. It appears that there is overuse of cough medicines in pediatric practice. Special attention should be paid to avoid combined use of cough medicines that contain the same ingredients.