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Thread: How do you tell when Humalog goes bad?

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#2 (permalink)

01-04-2007, 01:14 PM

notme

Super Moderator

I am a: Type 1

Join Date: Aug 2003

Location: Northern California

Posts: 7,512

Particles or clumping used to happen a lot in Regular insulin. Humalog is harder as it is clear. I have never seen particles in my Humalog, but I am sure it can happen. Let the bottle sit for 1/2 hour. The bubbles (if that is what they are) should disipate. If they don't, it is safe to assume it is particles and the insulin has gone bad. Have you seen a drop in potency? That would also be a strong indicator.

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