Open vial of Novolog ... How long can it be kept?

My daughter left her insulin kit at a friend's house. She ate lunch and needed an injection. So, she opened a topical vial and pulled about 8 units out of it. She put it back contained by the fridge where it's stayed for about a month.
here any rationale it can't be used? The expiration date is July 2010. It's been in the cold and dark the entire time.
Answers:    I emailed your cross-question to one of my contacts who is a medical professional, and she will answer if she's available. I will also ask my mother when I see her tomorrow. She is a nurse and specializes in diabetes, so she will know the answer for sure. I will email you tomorrow night with what she say.
16.2 Recommended Storage
Unused NovoLog(R) should be stored in a refrigerator between 2° and 8°C (36° to 46°F). Do not
store in the freezer or directly adjacent to the refrigerator cooling component. Do not freeze
NovoLog(R) and do not use NovoLog(R) if it has been frozen. NovoLog(R) should not be
s: After initial use a vial may be kept at temperature below 30°C (86°F) for up to 28 days,
but should not be exposed to excessive heat or sunlight. Opened vials may be refrigerated.
Unpunctured vials can be used until the expiration date printed on the label if they are stored within
a refrigerator. Keep unused vials in the carton so they will stay clean and protected from light.
Make sure there isn't cloudy and there isn't anything floating surrounded by it...

It's right on the edge. Novolog's web site says a punctured vial, if stored within the fridge, may be used for up to 28 days.

P.S. Thanks for asking the question. I use Novolog and never thought to ask it! Source(s): Type 1 diabetic
After reading this, you might want to err on the side of tip off. Scroll down to 16.2: http://www.drugs.com/pro/novolog.html#se… Source(s): http://www.novolog.com/questions-default…
You can still use it and it's still potent until its expiration date.


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