Does Novolog Go Bad

Insulin aspart (Fiasp®, Novolog®, NovoRapid®): Pen and vial, throw away after 28 days. Insulin degludec injection (Tresiba®): Pen and vial, throw away after 56 days. Insulin detemir injection (Levemir®): Pen and vial, throw away after 42 days.

What happens if you use NovoLog after 28 days?

Q: What would happen if I kept using insulin past 28 days at room temperature, or past the expiration date on the box? A: Your insulin might still be good after the expiration date on the box, or after 28 days at room temperature, but it’s not guaranteed to be good.

How long is NovoLog insulin good for once opened?

Storage of NovoLog (insulin aspart [rDNA origin] injection) After a vial of NovoLog has been punctured, it may be kept at temperatures <86°F (30°C) for up to 28 days but should not be exposed to excessive heat or sunlight. Opened vials may be refrigerated.