Question: what are the dangers of high levels of ketones in the blood and urine?
Answer: Ketones are substances that your body makes if your cells don't get enough glucose (blood sugar). Glucose is your body's main source of energy. Ketones can show up in blood or urine. High ketone levels may indicate diabetic ketoacidosis (DKA), a complication of diabetes that can lead to a coma or even death.