Have you ever felt sick suddenly during one of your travels? Well, I have. In facts, it was one of the craziest things I have ever done right after I started my travels. I was on a 4-hour train from Aquas Calientes to Cusco in Peru; when I felt so sick. A stranger on the train offered me a painkiller, and I took the pill without second-guessing. I was desperately looking for a way to make myself feel better until I reach my hotel. I know feeling desperate does not justify my irresponsible behavior, but I was lucky that my experience did not turn into a nightmare.
I know there are many external factors affect travelers health like time zone change, altitude change, the food, and the rapid weather change. But it is always good to take extra cautions and here are some tips to do that: