Holiday advice please

[GlitteringUnicorn]

Have ordered Mounjaro and it's sitting in the fridge and I was going to start today

In late August I fly to a very hot and humid destination for nearly three weeks. I will have little control over the food I will be given nor will I have access to a fridge!

My options are I think to start anyway today and have a break over my time away or defer me starting the whole treatment until my return.

What should I do? Does having a fortnights' break matter?

I think you will be OK taking a break providing you continue on 2.5 after you return. You wouldn't want to go up to 5 after a longish break.
If you decide to start before the holiday, you also need to factor in using the started pen within 30 days. So calculate when you would start the first pen to finish just before your holiday based on 4 doses (or 5 with the bonus).

Thank you. Will start today.
I can take a dose just as I fly and then the break is shorter. And yes then need to not go up to 5mg!