History of Siddha Medicine: History and Time period of Tamil Siddha Medicine. The period of Siddha Medicine System is at least 8000 years old. The Tamil literatures like Sangam literatures, Silapathikaaram, Thirukkural etc are replete with evidences of existence of Siddha system of medicine. Among the didactic eighteen (பதிணென்கீழ்கணக்கு நூல்கள்–pathinen keezh-kkanakku-noolgal), ELAADHI, SIRUPANCHA MOOLAM, […]