百日咳是由百日咳嗜血杆菌引起的急性呼吸道传染病。祖国医学称‘顿咳’、‘鹭鹚咳’。临床主要特点为阵发性痉挛性咳嗽,咳毕有特殊的‘鸡鸣’样吸气声(又称鸡鸣尾声)或伴有呕吐。如不进行及时治疗,病程可持续2～3个月以上。患病年龄越小越易并发肺炎、百日咳脑病、肺结核等。痉咳时表情痛苦,面红耳赤,涕泪交流,舌向外伸。痉咳一天可发作数次至数十次不等, Whooping cough is an acute respiratory infection caused by Haemophilus paracasei. The motherland medicine called ‘dough cough’ and ‘heron cough’. The main clinical features are sporadic spasmodic cough, and after the cough there is a special guzzler-like inspiratory sound (also known as the chicken’s dying) or accompanied by vomiting. If not treated in a timely manner, the course of disease can last 2 to 3 months. The younger the age of illness, the more likely it is to develop pneumonia, pertussis encephalopathy, and tuberculosis. When coughing, his expression was painful, his face was red, his eyes were red, his tears communicated, and his tongue stretched out. Coughing can occur several times to tens of times a day,