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左氧氟沙星属第三代喹诺酮类药物 ,为氧氟沙星的光学活性L -型异构体 ,其抗菌活性为氧氟沙星的 2倍 ,具有抗菌谱广 ,生物利用度高 ,组织渗透性好 ,与其他抗菌药很少交叉耐药的特点 ,广泛用于革兰阳性和革兰阴性敏感菌株引起的各系统感染。近年来不断有左氧氟沙星不良反应的报道
Levofloxacin, the third generation quinolone, is an optically active L - isomer of ofloxacin, with an antibacterial activity of 2 times that of ofloxacin, with wide antibacterial spectrum, high bioavailability and good tissue permeability , And other antibacterials rarely cross-resistant characteristics, widely used in Gram-positive and Gram-negative strains caused by each system infection. In recent years there have been reports of adverse reactions of levofloxacin