某男:27岁,无业,未婚,因吸食和静脉注射海洛因成瘾3+年而来我院脱毒治疗。查体四肢均有静脉穿刺痕,左手前臂外侧有一陈旧性愈合疤痕（自伤所致）,余无异常,辅助检查无异常。入院后给美沙酮替代递减等综合治疗,睡眠障碍明显,故每晚睡前服用氯氮平25mg/日,当服用氯氮平25mg/日后的第5天,下午睡觉后欲起床小便即跌倒,感双下肢沉重、无力、麻木、不能活动,由他人扶上床,双下肢也不能做 A man: 27 years old, unemployed, unmarried, due to smoking and intravenous injection of heroin addiction for 3 + years from our hospital detoxification treatment. Physical examination showed venous puncture marks on the limbs, the left forearm has an old outside the healing scar (caused by self-injury), I was no exception, ancillary examination without exception. Admission to methadone instead of decreasing and other comprehensive treatment, sleep disorders significantly, so every night before taking clozapine 25mg / day, when taking clozapine 25mg / day after the fifth day to sleep in the afternoon after falling asleep, feeling Double lower extremities heavy, weakness, numbness, can not move, help others to bed, both lower extremities can not do