Everyday Health: Ketones in Urine: When and Why to Test for Them and What They Mean Ketones in Urine: When and Why to Test for Them and What They Mean 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 ...

Understanding the Context

Urine contains various chemicals, minerals, toxins, bacteria, and red and white blood cells. A urine test, also known as a urinalysis, can reveal the presence and amounts of these substances, which can provide clues to specific conditions. 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 ...

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