Type-1 diabetes is caused by the destruction of the insulin producing beta cells of the pancreas by the impaired immune response. Early symptoms include:
- Constant hunger
- Weight loss
- Blurred vision
- Increased thirst and urination
- A feeling of tiredness
As the diabetes progresses, the person may complain of stomach pain, vomiting and frequent urination.
The management of type-1 diabetes includes giving insulin either by injection or through an insulin pump, nutrition management and physical activity.