Originally Posted by
oldpenny16
As I live in a place that is very hot in the summer, I take precautions with mine and carry them in a special pack made for diabetic medicines called a Frio pack. It doesn't use ice (which is a bother when traveling). You soak the inner lining in water and the evaporation of that water keeps your items from getting too hot.
Big second on Frio. With the evaporative cooling it's about 10-15 degrees F below ambient, so it's not refrigeration.
I travel every week with at least two pens in my frio and a handful of needles. Never been asked even a mild question.