病孩,女,100 ,6岁前有痉支炎史。因体检血HBsAg(一),抗—HBs(一),而接受乙型肝炎苗预防注射。(批号:北京生物制品研究所,8411)注射剂量为20μg。注后40分钟,突然发生呛咳,后感喉痒、气紧,听诊双肺部有散在中小哮鸣音,10分钟后颈部皮肤潮红,有散在细小丘疹。考虑为疫苗过敏反应,即口眼扑尔敏4mg,20分钟后,气喘加 Sick child, female, 100, before the age of 6 spasmitis history. Due to physical examination of blood HBsAg (A), anti-HBs (A), and to accept hepatitis B vaccine injections. (Batch number: Beijing Institute of Biological Products, 8411) injection dose of 20μg. 40 minutes after the note, a sudden cough, feeling itchy throat, gas tight, auscultation of the lungs are scattered in the small wheeze, 10 minutes after the neck skin flushing, scattered small papules. Consider the vaccine allergic reaction, that is, oral mouth chlorpheniramine 4mg, 20 minutes later, asthma plus