Nasya – how it works: An ayurvedic concept

In Samhitas Nasyakarma has been described in detail. Charaka in Sutrasthana first chapter has given the synonyms of Nasyakarma, in Siddhisthana has classified Nasyakarma depending on the medicines used and on the pharamacological action and also has stated indications and contraindications for Nasyakarma. He has explained the procedure along with complications and samyak and asamyak yoga features. In Vimanasthana he mentions different types of Nasyakarma depending on the parts of a plant used. Sushruta has defined Nasyakarma as instillation of medicine through Nose in Chikitsasthana. He has given the classification of Nasyakarma, even the timing of administration based on rutu and doshas. He has also given the indications and contraindications, procedure, samyak, heena and atiyoga features, complications and the things to be followed after Nasyakarma is being stated by him.