Rasashastra and Bhaishajya kalpana is the branch of Ayurveda that deals with the preparation of Ayurvedic medicines using herbal and herbo-mineral drugs. Rasashastra deals with minerals and metallic medicines whereas Bhaishajyakalpana includes herbal medicines. Kaphakuthar Rasa is a Kharaliya Rasayan.
A Kharaliya Rasayan is prepared in kharal (Mortar and pestle) and triturated under pressure which allows the sustained release of active molecules. This type is the most widely used, has prolonged shelf life, can be transformed in the form of vati (tablets, pills) etc. Kaphakuthar Rasa is one such herbo-mineral formulation mentioned in various texts of Rasashastra. Kaphakuthar Rasa is commonly indicated in Kasa Vyadhi.
Kasa is such diseases in which we commonly observe chronic condition (Jirna avastha). Variation is observed in the method of preparation of this formulation and compilation of these will help to study in comparative manner.
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