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Home > Health Library > Symptoms of High Blood Sugar
High blood sugar (hyperglycemia) most often occurs in people who have diabetes that isn't well controlled. The symptoms of high blood sugar can be mild, moderate, or severe.
Young children are not able to recognize symptoms of high blood sugar. Parents need to do a home blood sugar test on their child whenever they suspect high blood sugar.
You may have mild symptoms if your blood sugar levels are consistently higher than your target range. Some people may not notice any symptoms when their blood sugar level is in this range.
The main symptoms of mild high blood sugar are:
You may have moderate to severe symptoms if your blood sugar levels are consistently high. These symptoms include:
People with type 1 diabetes and some people with type 2 diabetes produce little or no insulin. These people may also have:
If your blood sugar levels continue to rise, you may:
Current as of:
July 28, 2021
Author: Healthwise StaffMedical Review: E. Gregory Thompson MD - Internal MedicineAdam Husney MD - Family MedicineRhonda O'Brien MS, RD, CDE - Certified Diabetes Educator
Current as of: July 28, 2021
Author: Healthwise Staff
Medical Review:E. Gregory Thompson MD - Internal Medicine & Adam Husney MD - Family Medicine & Rhonda O'Brien MS, RD, CDE - Certified Diabetes Educator
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