患者,男,64岁。因慢性支气管炎,肺气肿住院。有过敏性鼻炎,无其他药物过敏史。住院期中曾反复静脉输液。输入室温药液后约半小时开始出现被输液血管扩张充血、发痒、灼痛。随着输液次数的增加,以上症状逐渐加重,发展至所输液肢体广泛红肿、奇痒、灼痛、呈血管神经性水肿。液体输入量越大,症状越 Patient, male, 64 years old. Due to chronic bronchitis, emphysema hospitalized. Allergic rhinitis, no other drug allergy history. Inpatient period has repeatedly intravenous infusion. About half an hour after entering the room temperature solution began to be infused blood vessels dilated congestion, itching, burning. With the increase in the number of infusions, the above symptoms gradually aggravate, developed to the infused limbs extensive swelling, itching, burning, was angioneurotic edema. The greater the amount of liquid input, the more symptoms