2 doctors weighed in:

How long can I keep the novorapid (insulin aspart) flexpen in my bag?

2 doctors weighed in
Dr. Richard Shewbridge
Internal Medicine - Endocrinology
1 doctor agrees

In brief: 28 days

As long as the Insulin is not being subjected to extreme temperatures (hot car, direct sunshine, freezing temperatures), the package insert considers 28 days to be the longest the pen can be used before opening a new pen.

In brief: 28 days

As long as the Insulin is not being subjected to extreme temperatures (hot car, direct sunshine, freezing temperatures), the package insert considers 28 days to be the longest the pen can be used before opening a new pen.
Dr. Richard Shewbridge
Dr. Richard Shewbridge
Thank
Read more answers from doctors