Culture shock is the term used to describe the more pronounced reactions to the psychological disorientation most people experience when they move for an extended period of time into a culture markedly different from their own. The best way to get through culture shock is to see it not as an illness but as an opportunity and a natural occurrence in the process of adjusting to a culture that is different from your own.
The Global Experiences web page (https://www.globalexperiences.com/blog/culture-shock/) describes the phases of culture shock using the diagram shown here.
They describe the phases as follows:
"The easiest way to combat the feelings of boredom, frustration, and homesickness originated from culture shock is by creating new friendships with other program participants or locals. Global Experiences' offers multiple social events and excursions throughout the program so be sure to take advantage of them to help ease the anxiety of living in a new place. Most importantly, go explore your new city and cherish the experience!"