患者,女35岁,门诊病人。因在侧第三磨牙发生龋齿,神经受损。用利多卡因作阻滞麻醉。利多卡因100mg加付肾素0.1mg。拔牙30min后牙龈和 牙龈及右侧上、下硬腭红肿。1小时后,口腔麻木,有烧灼感,发痒、牙齿发软,舌尖发硬麻木。右侧第二磨牙牙龈及牙根部软组织出现轻度溃疡。24小时后左侧出现同样症状和反应。扑尔敏10mg一日三次,口服两天症状缓解,牙龈红肿消退,舌尖及上腭麻木、烧灼感消 Patient, female, 35 years old, outpatient. Due to the occurrence of dental caries in the third molars, the nerves are impaired. Lidocaine for block anesthesia. Lidocaine 100mg plus renin 0.1mg. Tooth extraction 30min after gingival and gums on the right and upper and lower hard palate swelling. 1 hour later, the numbness of the mouth, burning, itching, teeth soft, hard tongue numbness. On the right second molar gums and root soft tissue ulcers. The same symptoms and reactions appear on the left after 24 hours. Chlorpheniramine 10mg three times a day, two days oral remission, gingival swelling subsided, tongue and upper palate numbness, burning flu