Sweet Urine Signals Diabetes Trouble

If your urine suddenly smells unusually sweet or fruity and you are not dieting, fasting, or otherwise expecting ketones, treat it as a warning sign and get checked promptly. Mayo Clinic notes that advanced diabetes can cause a strong sweet urine odor when sugar and ketones build up, while diabetes and health guidance more commonly flag fruity-smelling breath as a sign of diabetic ketoacidosis, a medical emergency caused by dangerously high ketones. Smell alone does not diagnose diabetes, but if it appears with frequent urination, unusual thirst, nausea, vomiting, abdominal pain, or rapid breathing, you should seek urgent medical care rather than wait.

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