Diagnose Diabetes in Dogs

Give your dog's veterinarian information about your dog's recent habits and behaviors. Some behaviors associated with diabetes in dogs include drinking more water, increased thirst, more frequent urination (in both quantity of urine and times the dog urinates) and acting lethargic or overly tired. Dogs with diabetes may also have vision problems due to cataracts.

Weigh your dog. Diabetic dogs usually have an increased appetite; however, they don't gain any weight. Typically, despite the increased hunger, diabetic dogs will show a dramatic weight loss.

Allow the veterinarian to test your dog's blood glucose level. Normal levels of blood glucose range from 70 to 150 mg/dl. Diabetic dogs have blood glucose levels over 200 mg/dl.

Test your dog's urine for the presence of glucose and ketones. Diabetic dogs will "spill glucose" into their urine, and the veterinarian can detect this glucose with a simple laboratory test. Dogs that have severe, untreated diabetes may also have ketones present in their urine. Dogs that don't have diabetes will have no glucose or ketones in their urine. The only way to know is through laboratory tests.