This patient support community is for questions related to juvenile diabetes including
Celiac disease,
depression, diabetic complications, hyperglycemia /
diabetic keto-acidosis,
hypoglycemia, islet cell transplantation,
nutrition, parenting a diabetic child, pregnancy, pump therapy, school issues, and teens with
diabetes.
In general, the blood sugar shouldn't over 200 mg/dl
Go for a doctor and have a blood sugar tolerance test.
Of course, make sure your blood sugar meter works fine first.
Maybe it is just the machine's problem.