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Parkland Medical Center
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Symptoms of Type 2 Diabetes

You may have type 2 diabetes for years before you start to have symptoms. Symptoms may be difficult to notice if they are mild. High blood glucose levels may cause the symptoms, or they may be due to complications from diabetes.

Symptoms may include:

  • Weight loss
  • Increased urination
  • Increased thirst
  • Increased hunger
  • Fatigue
  • Lightheadedness while standing
  • Blurry vision
  • Irritability
  • Frequent or recurring infections
  • Slow wound healing
  • Foot ulcers
  • Numbness or tingling in the hands or feet
  • Problems with gums and teeth
  • Itching
  • Erectile dysfunction

Revision Information

  • Diabetes mellitus type 2 in adults. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed. Updated July 7, 2016. Accessed August 23, 2016.

  • Types of diabetes. National Institute of Diabetes and Digestive and Kidney Diseases website. Available at: https://www.niddk.nih.gov/health-information/diabetes/types. Accessed August 28, 2013.

  • Type 2. American Diabetes Association website. Available at: http://www.diabetes.org/diabetes-basics/type-2/?loc=DropDownDB-type2. Accessed August 23, 2016.