Re: Optipen Pro1

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#8778

Anonymous

The caveat to the previous post is that lcd displays break at sub zero temps so the fridge musnt be empty & the pen shouldn’t be against the heat exchanger or in the colder parts.

In my experience the original optipen wasn’t that reliable so you really need to keep a spare. My doc got me a non-electronic replacement recently, the sanofi aventis clikstar which may be better for you if you can get hold of it