Abstract

Siddha system is the most ancient system of medicine, it is a vast repository of  internal and external medicines. There are 32 types of external therapies which includes ottradam ,thokkanam, pottanam etc…and there are 32  types of unique internal medicines the efficacy of the medicines are very high which based on the holistic nature of  their approach to healing . Ammaiyar koonthal chooranam along with ottradam gives tremendous results in the treatment of thandaga vatham( lumbar spondylosis). The aim  of  the  study  was to evaluate the Biochemical analysis of  the  trial  drug Ammaiyar koonthal chooranam and it indicates   the  presence  of   tannic acid , ferrous  iron,  unsaturation compound, aminoacid which revealed the enhancement   of  therapeutic action in vadha diseases especially in Thandaga vatham (lumbar spondylosis).