小儿咳必宁口服液为成都中医学院儿科主任肖正安教授献方,该方由麻黄,杏仁,鱼腥草,板蓝根等组成;具有宣肺解表,消炎利喉,化痰平喘之功效。主治小儿感冒咳嗽、咽喉肿痛,咳痰不利。实验结果表明:小儿咳必宁口服液在两种剂量(0.24ml/10g,0.12ml/10g)对小鼠氨水刺激法引起的咳嗽均有明显的镇咳作用;同时 Pediatric Coughing Oral Solution is a prescription for Professor Xiao Zheng’an, the director of Pediatrics of Chengdu University of Traditional Chinese Medicine. It consists of ephedra, almonds, Houttuynia cordata, Radix Isatidis, etc. It has the function of expelling lung and relieving lung, relieving inflammation and relieving phlegm, and relieving phlegm and asthma. Indications of cold cough in children, sore throat, cough adverse. The experimental results show that: Xiaoerkuining oral liquid in two doses (0.24ml/10g, 0.12ml/10g) on ​​mice induced by ammonia stimulating cough have significant antitussive effect;