Literally, gada means a disease and agada means any agent which makes the body free from disease
However the term agada is used specifically for the branch of medicine dealing with toxicology, the description of the different types of poisons, and their antidotes.
Agada tantra ,the section of toxicology that deals with food poisoning, snake bites, dog bites, insect bites, etc.
Vyavahara ayurveda explores about the medicolegal studies, medical jurisprudence, autopsy findings, postmortem reports, Visits to snake parks, forensic laboratories are being arranged for the clinical training.