What is alternative medical system?
alternative medical system is A complete system of theory and practices that has evolved independently of, and often prior to, the conventional biological approach. Many are traditional systems of medicine that are practised by individual cultures throughout the world. Traditional Oriental medicine and Ayurveda, India’s traditional system of medicine, are two examples.
source: A GLOSSARY OF TERMS FOR COMMUNITY HEALTH CARE AND SERVICES FOR OLDER PERSONS. World Health Organization, 2004.