Hyperglycemia is a condition in which your blood sugar, or blood glucose, is too high. It is especially a problem for people with diabetes. An HbA1c blood test can confirm the diagnosis. Symptoms include thirst, fatigue, weight loss, blurry vision, frequent urination, and more. Follow the links below to find WebMD's comprehensive coverage about how hyperglycemia is caused, its symptoms, how to treat it, and much more.
Hyperglycemia and Diabetes
Hyperglycemia, or high blood sugar, is a serious problem in diabetes. WebMD explains the causes and prevention of this condition.
Diabetes and Weight Loss
Find out how to lose weight -- through diet and exercise -- when living with diabetes.
Diabetic Ketoacidosis (DKA)
WebMD explains diabetic ketoacidosis, a serious condition that results from having high blood sugars for too long.
Diabetes and Ways to Test Your Blood Sugar
Learn about the latest and most effective tests available to check your own blood sugar levels if you have diabetes.
Dieting With Diabetes? Watch Out!
When you have diabetes and start a diet, controlling blood sugar levels is vital.
How Does Type 2 Diabetes Affect Memory?
Studies show that people with type 2 diabetes are at increased risk for Alzheimer's disease, an expert says. Here's what you can do to lower that risk.
Diabetes-Friendly Diet: 7 Foods that Control Blood Sugar
A healthy diet can help you keep your type 2 diabetes in check. Here are seven types of foods to help control blood sugar, spare you from boredom, and stave off hunger.
Slideshows & Images
Slideshow: Celebrities With Diabetes
This WebMD slideshow focuses on celebrities with type 1 or type 2 diabetes including Larry King, Salma Hayek, and Nick Jonas from The Jonas Brothers.
Slideshow: A Visual Guide to Type 2 Diabetes
WebMD offers a pictorial overview of the symptoms, diagnosis, and treatment of type 2 diabetes.