There are many things that need to be considered when deciding to travel. If you've got chronic medical conditions, the list of considerations can grow exponentially.
Being prepared for any medical situation when you're away from home isn't easy or practical. But knowing what to expect and having appropriate medical coverage for the unexpected goes a long way to helping you prepare for the journey.
Your own nation's website is an excellent place to start looking for travel information, along with the website of whatever country(ies) you're hoping to travel to.
And don't forget the medical specialists - your primary care provider, pharmacist, travel medicine specialists, etc.
