Signs and symptoms of type 1

The signs and symptoms of type 1 diabetes can develop suddenly over a few days or weeks. They can be severe and, if left untreated, life-threatening.

Type 1 diabetes is often diagnosed in childhood, although you can develop it at any age. Being diagnosed and treated quickly is critical.

Signs and symptoms of type 1 diabetes may include:

  • Passing urine more frequently
  • Excessive thirst and drinking a lot of fluids
  • Unexplained weight loss
  • Fatigue (tiredness)
  • Mood changes
  • Skin infections or itching
  • Oral or vaginal thrush
  • Abdominal pain
  • Excessive hunger
  • Weakness
  • Headaches
  • Blurred vision

If you or a member of your family are experiencing one or more of these symptoms you should make an urgent appointment to see your doctor.

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