氯唑沙宗,是口服中枢性肌驰缓药,临床上主要用于治疗骨骼肌疾病和肌肉痉挛疼痛,该药自1988年末投产以来,受到临床医生普遍欢迎。特别是第11届亚运会组委会指定氯唑沙宗为亚运会指定专用药品后,声誉和知名度越来越多,市场走俏。该药最早由美国Mcneil药厂研制成功,60年代中期首次在意大利上市,目前美国、日本等许多国家的药典均已收载此药。我国口服肌松弛药一直短缺,迫切需要增加生产。氯唑沙 Chlorzoxazone, an oral, central muscle relaxant, is clinically mainly used to treat skeletal muscle diseases and muscle spasms. Since it was put into production in late 1988, it has been widely welcomed by clinicians. In particular, the 11th Asian Games Organizing Committee designated chlorzoxazone for the Asian Games designated drugs, more and more reputation and popularity, the market sells. The drug was first developed by the United States Mcneil Pharmaceutical Factory, the first time in the mid-1960s listed in Italy, the United States, Japan and many other countries have been included in the pharmacopoeias. Oral muscle relaxants have been in short supply and there is an urgent need to increase production. Chlorzoxazone