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Symptoms of Type 2 Diabetes

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The more you know about your health, the better prepared you are to make informed healthcare decisions. Our health library gives you the information you need to take charge of your health.

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 (sugar) 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
  • 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. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed. Updated August 2, 2012. Accessed August 6, 2012.

  • Diabetes overview. National Diabetes Information Clearinghouse website. Available at: http://diabetes.niddk.nih.gov/dm/pubs/overview/index.aspx. Updated April 4, 2012. Accessed August 7, 2012.

  • Symptoms. American Diabetes Association website. Available at: http://www.diabetes.org/diabetes-basics/symptoms/index-1.html?utm%5Fexpid=54551592-7&loc=DropDownDB-symptoms&utm%5Freferrer=http%3A%2F%2Fwww.diabetes.org%2Fdiabetes-basics%2Fsymptoms%2F%3Floc%3DDropDownDB-symptoms . Accessed August 6, 2012.