
Polyuria: Passing of too much urine, or frequent urination.
Thirst
Weight loss
Tiredness - often present in diabetes. But other disorders can also result in tiredness. So, this alone is not sufficient.
Unrelenting hunger
Itching of the genitals and skin
Visual disturbances (such as blurry vision)
Skin disorders (for example, boils)
Pain and/or numbness of the extremities