An acute and severe complication of diabetes that is the result of high levels of blood glucose and ketones. Excess ketones can make your blood acidic and cause symptoms such as nausea, vomiting, abdominal pain, difficulty breathing, and fruity smelling breath. If left untreated the excess ketones can lead to coma or death. DKA is a medical emergency and should be treated in a hospital. If your blood ketone levels are above a 3.0 go to the Emergency Room immediately.