I take medicorman 2Xd, Acrobos before each meal and a sliding scale of insulin. Some days I do not use insulin and I need to know how long it is safe to use. The hospital told me its good (with refridgeration) until the expiration date. The Pharmasist told me its only good for 28 days. Usually at the end of 28 days I have about a quarter of the vial still and have to throw it out…What is the safe time limit?
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