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Old 01-21-2010, 12:39 PM
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k9diabetes k9diabetes is offline
Join Date: Mar 2008
Location: Northern California
Posts: 11,280
Default Re: Insulin and Expiration Dates ?

I was going through Dr. Nelson's FAQ from the Web Seminar on changing from Vetsulin and came across something interesting related to insulin potency.

Question: Once a bottle of insulin is opened – regardless of type – how long do you feel is safe to use the product without compromising the integrity?

If the insulin is stored and mixed properly, it will usually be good to the last drop. Recommendations to change every month are coming from the human side and are related to concerns with sterility of the solution more than loss of insulin action.