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@windyshores

When you first prime it, flick the pen with your index finger to get air bubbles up to the top. Then do a full dose into the air to release the air bubbles. Air bubbles of course affect dosing.

My kid has type 1 diabetes and air bubbles have a serious impact on insulin delivery and can result in very high blood sugars, whether in a syringe, pen or pump line. I have gotten pretty good at flicking them up to the top!

@esb13 I am curious how air bubbles made their way into your Tymlos pen mid-month. I am not clear on how this is possible but if it is, it could be a concern for a lot of users.

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Replies to "When you first prime it, flick the pen with your index finger to get air bubbles..."

Exactly! Which is why I called. I do prime the pens before the first use so it was concerning that there was a very large bubble and more small ones that appeared mid pen and wouldn’t go away with tapping. It looked like a swag pen you’d get at a convention the bubble was so large. They did disappear after releasing the dose into the air, twice. I check now carefully before every injection for bubbles. I should add, the pen was in the same place and no travel or temp change or any external causation. Radius rep didn’t seem as concerned as I was and I was comforted that I have 6 extra doses incase bubbles appear again - which they did another time.