What is hyperglycemia?
A person with hyperglycemia has abnormally high levels of glucose in the bloodstream. Hyperglycemia is a condition that usually occurs in a person with diabetes. Some medications may cause hyperglycemia as a drug side effect.

What are the symptoms of hyperglycemia?
The first signs of hyperglycemia include excessive urination and mild fatigue. As hyperglycemia worsens, symptoms include excessive thirst, severe fatigue, blurred vision, and generalized weakness.

How does the doctor treat hyperglycemia?
Treatment of hyperglycemia depends on the underlying cause. Treatment may include a diabetes diet, weight reduction, exercise plan, insulin, or oral medications for diabetes.