Always use condoms to reduce the risk of HIV and other sexually transmitted diseases. Don t drink beverages with ice. Don t eat dairy products unless you know they have been pasteurized. Don t share needles with anyone. Don t swim in fresh water.
Salt water is usually safer.
Bed nets may also protect against insect bites that transmit Chagas' disease. Iodine tablets and water filters to purify water if bottled water is not available. See Do s above for more detailed information about water filters. Sunblock, sunglasses, hat. If you become ill with a fever even as long as a year after your trip tell your doctor that you traveled to a malarious area.