We're going to Spain for 12 nights and need to bring DP's insulin along. We reckon he will need 19 prefilled pens in total, allowing for one spare pen of each type of insulin. We have a GP's letter to confirm that this is required medication.
Does the insulin have to go into the clear bag with the other liquids? There's no way 24 pens would fit in there. He's already got his clear bag filled with other medication and essential toiletries (denture adhesive etc) that we can't guarantee to find easily out there. I'm putting what I can into my bag, but that's pretty full too.
We're only travelling with carry-on so need to accommodate everything within the cabin allowance.