患者,男,61岁。因左口角部反复发作的、阵发性剧痛就诊。检查:患者有典型的三叉神经痛面容及体征,其它情况尚好,血常规正常。即给予卡马西平治疗,每次0.2g,每日2次,其间未服其它的药物。患者服药后第2天,即感头晕、嗜睡、周身发痒,并在躯干部出现大小不等的红色斑疹,遂来医院复诊,拟诊为“药物过敏”。嘱停服卡马西平,并投以赛庚 Patient, male, 61 years old. Due to recurrent left mouth corner, paroxysmal pain treatment. Check: Patients have a typical face and signs of trigeminal neuralgia, the other is still good, normal blood. That is given carbamazepine treatment, each 0.2g, 2 times a day, during which no other medication. On the second day after taking the drug, the patient felt dizzy, drowsiness and whole body itching, and red patches of varying sizes appeared on the trunk. He then came to the hospital for referral and was diagnosed as “drug allergy.” Give stop taking carbamazepine, and vote race Geng