培氟沙星是第三代氟喹诺酮类广谱抗菌药物 ,临床用于呼吸系统、泌尿系统和骨关节感染有良好疗效。随着临床应用的扩大 ,不良反应偶有报道 ,现综合如下。1　过敏及过敏性休克患者 ,男 ,5 3岁 ,因咳嗽 2ｄ服用培氟沙星 0 .2ｇ ,约 2 0ｍｉｎ后 ,患者自觉头昏脑胀、恶心、胸闷、喉 Pefloxacin is the third generation of fluoroquinolones broad-spectrum antibacterial drugs, clinical for the respiratory system, urinary system and bone and joint infections have a good effect. With the expansion of clinical application, occasional adverse reactions reported, are summarized as follows. 1 allergic and anaphylactic shock patients, male, 53 years old, taking cough for 2d after pefloxacin 0. 2g, about 20min, the patient consciously dizzy, nausea, chest tightness, throat