A life-threatening short-term complication of diabetes characterized by severe disturbances in protein, fat, and carbohydrate regulation due to a deficiency in insulin. It is a medical emergency that requires treatment in an intensive care unit.

When there is not enough insulin to use glucose in the blood for energy, the body begins getting its energy from stored fat, breaking it down into ketones. These ketones begin to build up in the blood, appear in the urine, and throw the body chemistry seriously out of balance — a condition called ketoacidosis.

Diabetic ketoacidosis (DKA) is often the first sign that a person has Type 1 diabetes. It may also occur when a person with diabetes is sick and fails to take enough insulin. It usually takes several days to develop. People in the throes of DKA experience excessive thirst, frequent urination, rapid breathing, nausea, and dehydration. Their breath may have a fruity odor from ketones in their blood that escape through expired air. They may become very drowsy and, if the condition is not caught and treated, may lapse into a coma and even die.


It is important to take special precautions when you’re sick, since this is when ketoacidosis is most likely to develop:

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