8 warning signs of diabetic ketoacidosis (DKA)
The “silent killer” wording is dramatic, but diabetic ketoacidosis is genuinely a medical emergency. It happens when there isn’t enough insulin, causing the body to break down fat and produce excessive ketones, making the blood dangerously acidic. It is most common with type 1 diabetes but can also occur with type 2 diabetes.
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Watch for these signs:
Extreme thirst or very dry mouth
Frequent urination
Nausea or repeated vomiting
Abdominal/stomach pain
Fast, deep breathing or difficulty breathing
Fruity-smelling breath
Severe tiredness or weakness
Confusion, unusual sleepiness, or reduced consciousness
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🚨 Don’t wait
If you have diabetes and develop several of these symptoms, check your blood glucose and ketones if you can and seek urgent medical care. High ketones can be an early sign of DKA. The CDC advises emergency care when blood sugar remains around 300 mg/dL (16.7 mmol/L) or higher, you are vomiting and cannot keep fluids down, have trouble breathing, fruity breath, or multiple DKA symptoms.
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CDC
DKA can occur during illness, with missed or insufficient insulin, or with problems such as an insulin-pump failure. Do not stop insulin unless your diabetes-care team specifically tells you to.
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If these symptoms are happening right now, particularly vomiting, heavy/deep breathing, confusion, or high ketones, treat it as an emergency rather than trying a home remedy.
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