Background: Myths and wrong beliefs about Diabetes are prevalent in our patient population and work against effective therapy for Diabetes Methods: A prospective observational study was conducted on patients reporting to Diabetic clinic in an urban South Indian tertiary level hospital. In the pilot study, 100 diabetic patients were interviewed and the most common myths were tabulated. In phase II, 400 patients were interviewed and the prevalence of the myths studied. The results were then analyzed. Results: The study showed that a large number of myths were prevalent in the patient population. Most common myths were that eating sugar causes Diabetes, Ayurveda and Homeopathy are better at treating Diabetes and that Insulin therapy is addictive and excessively painful. The study found that myths are common in all sections of our society, even in graduates and post-graduates. The study also found myths decrease as the duration of Diabetes increases. Conclusions : This study concludes that a large number of myths are prevalent in the patient population in urban South India. Vigourous Health Education efforts are needed to counter these myths and wrong beliefs.