What Are the Symptoms of Type 1 Diabetes (T1D)?

Symptoms of T1D can develop suddenly and include:

  • Excessive thirst (polydipsia)
  • Urinating a lot (polyuria)
  • Feeling very hungry (polyphagia)
  • Unintended weight loss
  • Blurred vision
  • Extreme fatigue
  • Fruity-smelling breath (in severe cases)