Unrefrigerated Lantus Question Went to the drug store, picked up new boxes of Lantus Solostar and Humalog Pens. Went home, got distracted, forgot to put pens in fridge for almost two hours. They were at room temperature, no sunlight or other warmth exposure. Did some research on the net and also called the manufacturers.
Bottom line is this: Humalog should be okay with only very minimal efficacy difference (<1% difference), so I'm okay there. Sanofi Aventis tells me that the Lantus pens will only be good for 28 days, even though they were not opened. This translates to my having to throw out 2 of the 5 Solostar pens.
Question- anyone have any experience with using unrefrigerated Lantus longer than 28 days?
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