Any substance outside can cause an allergic reaction in the body. Being allergic to this agent, not being allergic to other agents is related to the body's immune mechanism. When a "foreign" agent comes into contact with the body, the body will produce substances to fight these "foreign" substances.

Just a small health problem when eating or moving can ruin your travel days. Some simple medicines below will help stabilize common problems, you should prepare in advance for your medicine cabinet before going on a long trip.