Symptoms

Symptoms of type 1 diabetes include:

• Frequent urination.
• Extreme thirst.
• Extreme hunger.
• Weight loss.
• Fatigue.
• Irritability.
• Blurred vision.
• Frequent infections.

Symptoms of high blood sugar levels (hyperglycemia) and ketoacidosis include:

• Loss of appetite.
• Abdominal pain.
• Vomiting.
• Flushed and hot skin.
• A fruity odor in the breath.
• Rapid breathing.
• Restlessness.
• Trouble waking.
• Confusion.
• Loss of consciousness.
• Coma, in extreme cases.

The symptoms of low blood sugar (hypoglycemia) include:

• Shakiness.
• Dizziness.
• Sweating.
• Hunger.
• Headache.
• Pale skin color.
• Sudden moodiness or behavior changes, such as crying for no apparent reason.
• Clumsy or jerky movements.
• Seizure.
• Difficulty paying attention or confusion.
• Tingling sensations around the mouth.

More on Diabetes Type 1

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This article was reviewed and updated June 2007.