百日咳,又叫顿咳。是春季小儿常见的急性呼吸道传染病。 百日咳多见于5岁以下小儿,年龄愈小,病情愈重。患儿连续咳嗽,不断呼气,像要把肺中气体呼尽一样,有时突然发出鸡叫样的声音。半岁以下的患儿有时还会呼吸停顿,面色由红变紫。 Pertussis, also called a sudden cough. Is a common acute respiratory infection in children in spring. Pertussis more common in children under 5 years of age, the younger, the more serious the disease. Children with a continuous cough, constantly exhale, like the lungs to exhale the same breath, and sometimes suddenly issued a chicken-like voice. Children under the age of six and sometimes breathing pauses, looking from red to purple.