A member asked:

How high does blood sugar have to be to have symptoms?

A doctor has provided 1 answer
Dr. Bradford Romans answered

Specializes in Internal Medicine

Starts around 180.: Around that #, or higher,an osmotic diuresis begins,polyuria(frequent urination) leading to volume depletion.Clinically may be experienced as dizziness,weakness,fatigue.

Answered 12/9/2014

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