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From La Grange Park, Illinois, USA:

My 11 year old son has had diabetes for a little over one year and has been on an insulin pump for four months now. His levels are fine during the day, but we continue to have trouble with the early night hours. He goes high between 10:00 pm and midnight. He has a snack and a bolus before bed, and we check him every hour after that. A usual night will be 90 mg/dl [5 mmol/L] before snack, 100 mg/dl [ 5.6 mmol/L] one hour later, 100-120 mg/dl [ 5.6-6.7 mmol/L] two hours later and then 200-300 mg/dl [11.1-16.7 mmol/L] two to three hours later. He is not going low because, even when his levels start higher than this, he continues to rise. We've increased his basal rate with minimal success. If we increase it too much, he is low by 1:00 am. Is this normal for a child this age?Any suggestions would be greatly appreciated.


Your son either needs a square wave bolus to cover the bedtime snack or an alternate basal rate rate for just a few hours. If this is really a pattern as you describe it, either one or the other should work. You should review this with your son's diabetes team to see what they recommend.


Original posting 29 Dec 2000
Posted to Daily Care and Insulin Pumps


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