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 Warning Signs

Symptoms of Type 1 and Type 2 Diabetes

Symptoms of diabetes can be similar in type 1 diabetes, typically diagnosed in children and teens, and type 2 diabetes, which most often occurs in adults. Early symptoms of any type of diabetes are related to high blood and urine glucose levels and include

  • dehydration,
  • hunger,
  • increased urination, and
  • increased thirst.

Quick GuideType 2 Diabetes Symptoms, Warning Signs, and Management

Type 2 Diabetes Symptoms, Warning Signs, and Management

Diabetes facts

  • Diabetes is a chronic condition associated with abnormally high levels of sugar (glucose) in the blood. Insulin produced by the pancreas lowers blood glucose. Absence or insufficient production of insulin, or an inability of the body to properly use insulin causes diabetes.
  • The two types of diabetes are referred to as type 1 and type 2. Former names for these conditions were insulin-dependent and non-insulin-dependent diabetes, or juvenile onset and adult onset diabetes.
  • Symptoms of diabetes include
  • If you think you have diabetes contact a health-care professional.
  • Diabetes is diagnosed by blood sugar (glucose) testing.
  • The major complications of diabetes are both acute and chronic.
    • Acute complications: dangerously elevated blood sugar (hyperglycemia) or abnormally low blood sugar (hypoglycemia) due to diabetes medications
    • Chronic complications: disease of the blood vessels (both small and large) that can damage the feet, eyes, kidneys, nerves, and heart
  • Diabetes treatment depends on the type and severity of the diabetes. Type 1 diabetes is treated with insulin, exercise, and a diabetic diet. Type 2 diabetes is first treated with weight reduction, a type 2 diabetic diet, and exercise. When these measures fail to control the elevated blood sugars, oral medications are used. If oral medications are still insufficient, insulin and other injectable medications are considered.
  • Type 1 diabetes cannot be prevented; however, type 2 diabetes may be prevented in some cases by maintaining a healthy weight and getting regular exercise.
Medically Reviewed by a Doctor on 3/22/2016

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