Comprehensive study of Nasya Dravya mentioned in Bruhatrayi

Panchkarma deals with five Karmas Vamana, Virechana, Basti, Raktamokshana and Nasya Karma. The nearest passage for detoxifying Shiropradesh is nostrils. Therefore, Nasya Karma pacifies three Doshas of Shiropradesh curing ailments occurring in Shiro and Urdhwajatru parts. The importance of Nasya Karma is specified by the Adhyaya Apamargatanduliya named for the best drug used for the Shodhana of Uttamanga. The Dravya used in Nasya Karma are scattered in different Adhyayas of different Sthanas in Charak Samhita, Sushruta Samhita and Ashtanga Hridyam Samhita. In this article for the first time all the Dravya are gathered together from Bruhatrayi and compared. Dravyas are identified with help of respective Tikas, Dravyaguna textbooks and web sources for easy study and use of Dravya for the procedure along with the part used of the Dravya.