亲,本来给你发链接,但是要审查,算了。意思就是在幼年老鼠和小狗的动物实验里发现左氧增加了承重关节软组织的损害的风险,如果已经有病,会加重,但这个发现对人类药物试验的影响还不知道: 5. WARNINGS In immature rats and dogs, the oral and intravenous administration of levofloxacin resulted in increased the incidence and severity of osteochondrosis. Histopathological examination of the weight-bearing joints of immature dogs dosed with levofloxacin revealed persistent lesions of the cartilage. Other fluoroquinolones also produce similar erosions in the weight bearing joints and other signs of arthropathy in immature animals of various species. The relevance of these findings to the clinical use of levofloxacin is unknown. (See ANIMAL PHARMACOLOGY.)