@Emelon1 depending on where you travel you can take the injection with you and visit another oncology department or GP and have them administer.. or like myself, give it yourself :)
i suppose if you want to travel to third world Africa for 3 months you might get in a bit of a spot, but Zoladex is used around the world and you certainly wouldn’t have an issue if you were on holiday in the US, UK, NZ etc finding someone to give you your needle, you would just need to do some forward planning.
I don’t think the schedule of interrupting travel should be a reason to not choose zoladex, consider all of the other factors as well
