近一年来,我科曾收治二例过敏性紫癜,伴顽固性腹痛、便血患者,应用654—2和普鲁卡因足三里封闭,临床效果满意。治疗方法:654—2,每次每公斤体重0.2～0.5mg,一次量不超过10mg;普鲁卡因,每次每公斤体重2～5mg。二药混合后双足三里封闭,每日1～2次,疗程1～3天.治疗宜从小剂量开始,效果差时可酌加量。 In the past year, our department has admitted two cases of allergic purpura, with stubborn abdominal pain, blood in patients with blood in the stool, the application of 654-2 and procaine Zusanli closure, the clinical effect is satisfactory. Treatment: 654-2, 0.2 ~ 0.5mg per kg body weight, an amount of not more than 10mg; procaine, each weighing 2 ~ 5mg per kilogram. After the two drugs mixed bipedal three years closed 1 to 2 times a day, the course of 1 to 3 days treatment should begin with a small dose, the effect can be discretionary dosage.