Diabetes (Type 1 and Type 2)

  • Medical Author:
    Melissa Conrad Stöppler, MD

    Melissa Conrad Stöppler, MD, is a U.S. board-certified Anatomic Pathologist with subspecialty training in the fields of Experimental and Molecular Pathology. Dr. Stöppler's educational background includes a BA with Highest Distinction from the University of Virginia and an MD from the University of North Carolina. She completed residency training in Anatomic Pathology at Georgetown University followed by subspecialty fellowship training in molecular diagnostics and experimental pathology.

  • Medical Editor: William C. Shiel Jr., MD, FACP, FACR
    William C. Shiel Jr., MD, FACP, FACR

    William C. Shiel Jr., MD, FACP, FACR

    Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.

Type 2 Diabetes: Learn the Warning Signs

Quick GuideType 2 Diabetes Pictures Slideshow: Learn the Warning Signs

Type 2 Diabetes Pictures Slideshow: Learn the Warning Signs

6 early signs and symptoms of diabetes

  1. The early symptoms of untreated diabetes are related to elevated blood sugar levels, and loss of glucose in the urine. High amounts of glucose in the urine can cause increased urine output and lead to dehydration. Dehydration causes increased thirst and water consumption.
  2. The inability of insulin to perform normally has effects on protein, fat and carbohydrate metabolism. Insulin is an anabolic hormone, that is, one that encourages storage of fat and protein.
  3. A relative or absolute insulin deficiency eventually leads to weight loss despite an increase in appetite.
  4. Some untreated diabetes patients also complain of fatigue, nausea and vomiting.
  5. Patients with diabetes are prone to developing infections of the bladder, skin, and vaginal areas.
  6. Fluctuations in blood glucose levels can lead to blurred vision. Extremely elevated glucose levels can lead to lethargy and coma.

How do I know if I have diabetes?

Many people are unaware that they have diabetes, especially in its early stages when symptoms may not be present. There is no definite way to know if you have diabetes without undergoing blood tests to determine your blood glucose levels (see section on Diagnosis of diabetes). See your doctor if you have symptoms of diabetes or if you are concerned about your diabetes risk.

Medically Reviewed by a Doctor on 3/22/2016
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