XIAO CHAI HU TANG (Minor Bupleurum Formula): Traditional Applications and Contemporary Research
by Tony Reid
HISTORY AND TRADITIONAL APPLICATIONS
The Treatise on Cold-induced Diseases
The TCM formula Xiao Chai Hu Tang (XCHT) was first recorded in the ‘Treatise on Cold-induced Diseases’ (shang han lun), by Zhang Zhong-jing (circa 150 – 219 C.E.). It was originally used for the treatment of the lesser Yang syndrome (shao yang bing zheng) in acute febrile diseases due to invasion by exogenous Cold. This is the stage when the invading Cold pathogen has transformed into Heat and is lodged at a level that is midway …