大部分小儿咳嗽,是由痰液增加导致的。呼吸道的痰液中有很多蛋白质的成分,如果没有排出,进入呼吸道的细菌就会在痰液里快速繁殖,导致继发感染。然而小儿咳嗽力量弱,不能有效清除气道的分泌物,导致痰液引流不畅,从而使病情加重。儿童咳嗽咯痰时,应以祛痰优先。祛痰药能将痰液变得稀薄一些,比较容易将痰排出。所以,在有痰 Most children cough, caused by an increase in sputum. Respiratory sputum has many protein components, if not discharged, enter the respiratory tract bacteria will quickly multiply in sputum, leading to secondary infection. However, cough weakness in children, can not effectively clear the airway secretions, resulting in poor drainage of sputum, so that the disease worsened. Child cough expectoration, expectorant should be given priority. Expectorant drugs can become thinner sputum, sputum is easier to discharge. So, there is sputum