患者男,25岁,因右锁骨骨折入院。入院后行术前检查及准备,并在局麻下行右锁骨骨折切开复位钢板内固定术。术后静滴乳酸环丙沙星200mg,半小时滴完。约5分钟后患者出现颈部扭转痉挛,言语不清,且渐加重,无发热及其他神经系统症状,既往无类似用药史及神经系统病史。查体:神志?.. Male patient, 25 years old, was admitted to the hospital for a right clavicle fracture. After admission, preoperative examination and preparation, and in the local anesthesia underwent right clavicular fracture reduction and reduction plate fixation. Intravenous infusion of ciprofloxacin lactate 200mg, half an hour drops finished. About 5 minutes later, the patient developed cervical torsion spasms with unclear speech, gradually getting aggravated, no fever and other neurological symptoms, and no previous history of drug use and neurological history. Physical examination: mind?