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The Question
Fri Aug 30 12:51:56 EDT 2013

How can I determine if my insulin is no longer effective?
Asked By: olle99  
Category: Insulin

Background Info Hide
I have type 1 diabetes. Sometimes I leave my insulin in my car and I think that it sees temperatures higher than 86 degrees F. Later it takes me 2-3 days to determine that the inulin is no longer as effective and needs to replaced. Sometimes a vial will only be effective for two weeks.
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Expert Answers (1)
2013-09-26 19:17:36.0

The stability of insulin cannot be guaranteed if left in a car in the heat. The product can separate and lose it's effectiveness. I would suggest using a cold pack that you can put in a lunch box or other type of carry pack to preserve the integrity of the insulin and avoid having unpredictable blood glucose readings. I you accidentally expose the insulin to excessive heat or freezing temps, I would consider using a new bottle.
Answered By: susan sloane
Accreditations: B.S.,Rph.,C.D.E.,Nutritionist
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*** All information contained on dLife.com is intended for informational and educational purposes only. Our Expert Q&A is not intended to be a replacement or substitute for consultation with a qualified medical professional or for professional medical advice related to diabetes or another medical condition. Please contact your physician or medical professional with any questions and concerns about your medical condition.

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