What are the Signs and symptoms of Hyperglycemia (Type 2 diabetes)?

By  , Expert Content
Nov 23, 2011

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It is possible to have type 2 diabetes for years and not even know about it.  Most people with high blood sugar may have few or no symptoms are all. The common signs and symptoms of high blood sugar are;

  • Dry mouth
  • Increased thirst and frequent urination: Elevated blood sugar in the blood causes fluids to move out your cells. This makes you feel thirsty----and so you drink more water----this leads to frequent urination
  • Increased frequency of urination during the night
  • Increased hunger---as your body cannot use the glucose in the blood your muscles and other tissues become depleted of energy source----so you feel hungry more frequently.
  • Blurred vision: Elevated glucose levels in the blood leads to loss of fluid from the lenses of your eyes----which can affect your ability to focus and see clearly.
  • Dry, itchy skin.
  • Patches of darkened skin.
  • Fatigue or drowsiness
  • Weight loss
  • Slow-healing sores or frequent infections.

If severe hyperglycemia or severely elevated glucose levels persists for a long time (several hours or days) it can cause dehydration, and other symptoms like;

  • Difficulty in breathing
  • Giddiness on standing
  • Weight loss
  • Drowsiness, stupor and confusion
  • Loss of consciousness or coma

If you have symptoms suggestive of elevated glucose levels ----get your blood sugar levels tested.


Dr Poonam Sachdeva, our in-house medical expert talks about the why what and how in diabetes.


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