Diabetologists in Chikkajala, Bangalore • How do people know if they have diabetes? People with diabetes frequently experience certain symptoms. These include: Being very thirsty Frequent urination Weight loss Increased hunger Blurry vision Irritability Tingling or numbness in the hands or feet Frequent skin, bladder or gum infections Wounds that don’t heal Extreme unexplained fatigue In some cases, there are no symptoms — this happens at times with type 2 diabetes. In this case, people can live for months, even years without knowing they have the disease. This form of diabetes comes on so gradually that symptoms may not even be recognized.