The warning signs that you are becoming very sick might include:

• Deep, rapid breathing
• Dry skin and mouth
• Flushed face
• Fruity breath (breath odor)
• Nausea and vomiting
• Stomach pain

Other symptoms that can occur include:

• Fatigue
• Frequent urination or thirst for a day or more
• Mental stupor that may progress to coma
• Muscle stiffness or aching
• Shortness of breath
• Abdominal pain
• Breathing difficulty while lying down
• Decreased appetite
• Decreased consciousness
• Headache

Ketone testing may be used in type 1 diabetes to screen for early ketoacidosis. The ketones test is done using a urine sample. Ketone testing is usually done at the following times:

• When the blood sugar is higher than 240 mg/dL
• During an illness such as pneumonia, heart attack, or stroke
• When nausea or vomiting occur
• During pregnancy

Other tests that may be done to diagnose ketoacidosis include:

• Arterial blood gas
• Blood glucose test
• Blood pressure measurement
• Amylase blood test
• Potassium blood test

This disease may also affect the results of the following tests:

• CO2
• CSF collection
• Potassium urine test
• Magnesium blood test
• Phosphorus blood test
• Sodium blood test
• Sodium urine test
• Urine pH