1　一般资料　例 1 ,男 ,1 4岁 ,因患急性甲型肝炎于 1 998年 4月 6日住进我院治疗。住院期间患上呼吸道感染 ,做青霉素钠皮肤过敏试验阴性后 ,给予肌肉注射 ,每日2次 ,每次 80万Ｕ ,当注射第 8次后 1分钟左右患者出现胸闷、气短、头晕 ,舌部、口唇和四肢表皮发麻发痒 ,面色苍 1 General Information Example 1, male, 14 years old, suffering from acute hepatitis A in April 6, 1998 admitted to our hospital for treatment. Respiratory tract infection during hospitalization, do penicillin sodium skin allergy test negative, intramuscular injection, twice a day, 800,000 U each time, after injection of the first 8 minutes 1 minute chest tightness, shortness of breath, dizziness, tongue , Numbness of the lips and limbs epidermis itchy, pale complexion