High levels of ketones in urine, or ketonuria, is usually a sign of diabetic ketoacidosis (DKA). The body produces ketones when it burns fat for fuel. DKA is a severe complication of diabetes that can ...

Ketones are a type of acid your body produces when it needs to break down body fat for energy. Trace amounts of ketones in your urine aren’t usually a cause for concern, but high levels can indicate a ...

You may have higher than normal ketone levels during exercise, fasting, or sleep. High ketone levels can be dangerous, especially if you have diabetes. You can test your ketone levels at home with ...