- Increased drinking
- Increased urination volume
- Increased appetite
- Weight loss
Clinical signs start to show as a result of high concentrations of glucose in the blood, and the inability of the body to use glucose as an energy source.
A diagnosis of diabetes cannot be made on a single blood and urine sample as other conditions, such as stress, can cause a rise in glucose levels. Another blood test called a fructosamine test, can be performed which measures the average of blood glucose levels.