There is a lot to consider and be prepared for to stay healthy while overseas. There are steps you can take before you go to make sure that you have prepared for your personal health needs and for the unique conditions in the country/countries you will visit.
Before traveling internationally, you should ensure you have taken the necessary steps to take care of your healthcare abroad, including considering your prescription medicaton and vaccination needs. The availability and legality of certain medications varies by country, as do the vaccination requirements to be granted entry.
International travel can be both fulfilling and challenging in various ways. Be proactive in planning for how to manage your mental health while overseas.