eng Oriental Scientific Publishing Company Biomedical and Pharmacology Journal 0974-6242 2015-03-28 4 1 147 152 1785 article A. Kumar 1 S.D. Dubey 1 S. Prakas 1 P. Singh 2 Department of Dravyaguna, Institute of Medical Science, B.H.U., Varanasi - 05 India. BAMS, B.H.U. India. The existence of medicine shows its prehistoric antiquity. The knowledge regarding medicinal value of plants has been collected in a course of several centuries. The acceptability of alternatives medicine particularly the herbal medicine has now become a critical need of time. In this articles fundamental of Dravyaguna (Ayurvedic Pharmacology) has been taken in accounts so that one can understand the action of various drugs properly. It is the time when Ayurvedic concept should be proved on modern parameters. Ayurvedic pharmacology is being dealt with these terms- Rasa (taste), Guna (Properties), Virya (active principles), Vipak (Biotransformation) and Prabhav (Specific action). https://biomedpharmajournal.org/vol4no1/principle-of-dravyaguna-ayurvedic-pharmacology/ Dravyaguna Rasa Virya alternative medicine