Bubble

noblehead

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Hold the pen upright and dial up 5 units, tap the insulin cartridge a few times till the bubble reaches the top just below the needle then press to release the insulin, by rights this should get rid of the air bubble.
 

noblehead

Guru
Retired Moderator
Messages
23,618
Type of diabetes
Type 1
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Hilary52 said:
Tried that - still there Should I just chuck it away?



Yes, if in doubt just change the cartridge and start a new one.