 [ Symptoms ] fasting sugar levle of 12 years old son i am 39 prediabetic and controlling it by weight and exercise while i was checking my the blood sugar my child came to me and i yesterday checked sugar level of my son who is 12 years at 11 am it came 109 he was playing at that time and waked up 2 hours before but it was fasting of 9+ hours i got worried so i checked him again 2 hours after his heavy break fast it came 116 then i checked him again in the evening randomly it came back again 116 he do not have any symptoms [ Disease ] i would talk to my doctor about 1   if this is a short term side effect that over time will get better or 2   if you can switch and try something else do not just suffer   if you have the right doctor they will work with you on this i really hope you feel better and find something that works for you there are more options than ever these days