When I'm anxious about something, I play the "What If" game. I imagine everything that could possibly go wrong, then figure out a plan for each scenario.
You might want to locate a pharmacy just in case you need some meds. Talk to your doc about how to obtain IVSM just in case you flare.
Make yourself a packing list in advance, then add to it every time you think of something else.
- Meds
- Underwear
- Toothbrush
- Socks
- Tie
etc.
The more prepared you are, the easier it will be on you.
Good luck and have fun!