? Large bubbles in Lantus pen, safe to use?

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katiesmom

Member Since 2013
I noticed 2 large bubbles (about the size of an apple seed) in the nearly new lantus pen I've ben using. I just opened it a couple days ago. I know I didnt shoot air into it. I know these are suppose to be vacuum sealed, no air. Is it okay to use? Air is getting in somehow.
 
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