To obtain a visa, you will typically need to apply at the embassy or consulate of the country you wish to visit. The process can vary depending on the country, but you may need to provide documents such as a passport, proof of financial stability, and a letter of invitation (if applicable).

Some things you should consider when preparing for international travel include purchasing travel insurance, checking the Centers for Disease Control and Prevention (CDC) or World Health Organization (WHO) for health advisories, packing a travel first aid kit, and making copies of important documents in case of loss or theft.

You can check the U.S. Department of State website for travel advisories for specific countries. The website provides information on the safety and security of a destination, as well as any potential health risks and other factors that may affect travel.

It is generally recommended to bring enough medication to cover your trip, as well as a copy of your prescription or a letter from your doctor. Some countries may have restrictions on certain medications, so it is a good idea to check with the embassy of your destination country before you travel.