What are the symptoms of Hyperglycemia (high blood sugar)? Laura Joseph February 08, 2021 22:42 Updated Follow The symptoms of hyperglycemia include increased thirst, frequent need to urinate, and fatigue. Chronic hyperglycemia can lead to retinopathy, neuropathy, and kidney disease. http://www.diabetes.org/living-with-diabetes/treatment-and-care/blood-glucose-control/hyperglycemia.html Related articles What are the symptoms of Hypoglycemia (low blood sugar)? What is an A1C? What is diabetes? I want to use a specific trainer for my workouts. How do I find the trainers? What devices is GlucoseZone compatible on? Comments 0 comments Please sign in to leave a comment.