(MSXG), She Gan Ma Huang decoction (SGMH), Xiao Chai Hu (XCH), and Wu Ling San (WLS), which was first discovered in the classic Treatise on Exogenous Febrile Disease (Shanghan Lun). MXSG (Herba Ephedrae, Radix Glycyrrhizae, Semen Armeniacae Amarum, Gypsum Fibrosum) has been used f