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Ketones In Urine Dehydration

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Clinical Significance Of Positive Urine Ketone Result

Ketone bodies are usually absent in urine. The presence of ketones in the urine probably indicates that the body is using fats rather than carbohydrates for energy. High levels of ketones may be present in the urine of individuals with uncontrolled diabetes because the body's ability to metabolize carbohydrates is defective. Detecting the presence of ketones in the urine is a valuable aid to managing and monitoring individuals with diabetes mellitus. Ketonuria is an indication that the insulin dose needs to be increased. Electrolyte imbalance and dehydration occur when ketones accumulate in the blood. If these conditions are not corrected by adjusting the dose of insulin, the patient may develop ketoacidosis and ultimately diabetic coma. Low levels of ketones may be detected during conditions of physiological stress such as fasting, rapid weight loss, frequent strenuous exercise or prolonged vomiting. The presence of ketones in these situations is due to either inadequate intake of carbohydrates or increased loss of carbohydrates. Continue reading >>

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Popular Questions

  1. hkcool

    Got a quick call today from my doctor since I had a routine physical and got bloodwork and urine tests done.
    He said everything was normal except for really low vitamin D levels and oddly enough, ketones in my urine. He explained that typically it's a sign of uncontrolled diabetes but my blood sugar is fine. He ordered an a1c done at the time that I got all of my bloodwork done just to be thorough. I don't have the results in front of me but I could request a hard copy of them. Anyway, he assured me that I'm not diabetic.
    I'm a 20 y/o college student.
    Is ketones in the urine a precursor to diabetes? I did read that fasting or starvation can lead to temporary high ketone levels. As a full-time college student, let's just say that my sleeping schedule is rather...irregular. I had to fast for the blood test that morning so my last meal was dinner that evening. I didn't sleep until 7 am that morning and my appointment was at 9 am, so...yeah...
    The doctor said the next step would be a 24 hr urine test since they double-checked my results to make sure I actually had ketones in my urine and I did. But he also said there's no rush at all. I can't get the test till I'm actually back home so I'm just wondering now what it could be

  2. labrat

    Did you know the volume of ketones in your urine? Was it slight or high?
    Slight to moderate ketones can occur with exercise. Did you work out or do some strenuous physical activity before your appointment?
    People on low carbohydrate diets go into ketosis (usually preferably). These are things to consider if your testing does rule out Diabetes.
    Plus, this was a one time test. Without other symptoms or clinical presentations to preclude a diagnosis, it may be easier to simply repeat a urine sample next time, too. Shouldn't need to be a fasting sample, either.

  3. sweetthing

    Most likely caused by dehydration. Young people often do not get enough to drink. I would just make sure you have lots of water before your next test. You said you had been fasting since supper the night before? If you were a bit dry then and didn't drink anything, you could very easily have been dehydrated.

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