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Diabetic ketoacidosis (DKA) is a severe, life-threatening complication of diabetes. It occurs when the body does not produce enough insulin, causing high blood sugar and the buildup of toxic acidic compounds called ketones in the blood.
read more about diabetic ketoacidosis dka ...The mechanism is the lack of insulin. Without insulin, the body cannot use glucose for fuel. The body then breaks down fat for energy, producing ketones as a toxic byproduct, which makes the blood dangerously acidic.
Symptoms develop quickly with extreme thirst, frequent urination, nausea, and vomiting. Breathing becomes deep and rapid, and the breath can smell fruity. Weakness, confusion, and abdominal pain are common. Severe dehydration and drowsiness signal an emergency that needs immediate treatment.
Diagnosis involves blood tests showing high blood sugar and high ketone levels. Treatment is an emergency, requiring hospitalization, immediate intravenous insulin therapy to stop fat breakdown, and massive fluid replacement to correct severe dehydration.
DKA severely impacts eye health. The massive fluid loss causes the lens of the eye to swell and contract, leading to severe, temporary blurriness that resolves after fluid levels normalize. More severely, aggressive fluid replacement can rarely cause cerebral edema (brain swelling), which can affect vision.
Necessary prevention measures include consistent blood sugar monitoring, especially during illness or infection, and never skipping insulin doses. Recognizing the early signs of high blood sugar is vital to prevent DKA.
Yes, DKA is a life-threatening medical emergency requiring immediate hospitalization and IV therapy.
No, DKA is most common in Type 1, but it can occur in Type 2 under conditions of severe stress or infection.
The fruity odor is caused by acetone, one of the ketones produced during fat breakdown, being expelled through the lungs.
If you have diabetes and notice your blood sugar is consistently over 240 mg/dL, use a home kit to check your urine for ketones. If ketones are "moderate" or "large," seek emergency care immediately. Confusion, extreme thirst, and deep, rapid breathing are critical signs.
NHS. Diabetic Ketoacidosis (nhs.uk). 2023.
MedlinePlus. DKA (medlineplus.gov). 2025.
Diabetes Care. Hyperglycemic Crises (diabetesjournals.org). 2024.
StatPearls. Adult DKA (ncbi.nlm.nih.gov). 2024.