Symptoms and Signs of Type 2 Diabetes

Medical Author:
Medically Reviewed on 8/19/2021

Doctor's Notes on Type 2 Diabetes

Type 2 diabetes is a chronic condition where there is an elevated level of sugar (glucose) in the bloodstream due to the body's inability to properly respond to insulin. Insulin is a hormone produced in the pancreas that allows the body to use glucose for energy. Elevated blood glucose levels are called hyperglycemia. Type 2 diabetes is different from type 1 diabetes, a condition where the body is unable to produce enough insulin. 

Early symptoms of type 2 diabetes may include:

Symptoms of poorly controlled or undiagnosed 2 diabetes may include:

What Is the Treatment for Type 2 Diabetes?

Some people with type 2 diabetes may be able to control their blood sugar through: 

Medications are also frequently used to manage type 2 diabetes:

  • Many classes of drugs have been shown to improve blood sugar control and reduce the likelihood of developing complications.
  • Both oral and injectable medications are used, and combinations of medications are often prescribed.
  • Insulin therapy may be beneficial as well.

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Kasper, D.L., et al., eds. Harrison's Principles of Internal Medicine, 19th Ed. United States: McGraw-Hill Education, 2015.