What is this in my pen?

[dragata]

I have 3 pfizer genotropin pens. This one I mixed like 4 days ago and I noticed this in it. Is this worm in the pen? The other one I mixed today and is completely clear. I know the pens are from a pharmacy and real.

 

[Trainedbytylerlofthouse19]

I have 3 pfizer genotropin pens. This one I mixed like 4 days ago and I noticed this in it. Is this worm in the pen? The other one I mixed today and is completely clear. I know the pens are from a pharmacy and real.

View attachment 270923

You have wiped the outside right?

 

[Isrrike]

Looks like a piece of the rubber stopper inside shaved off