3. Contaminated Food
Contaminated food can lead to diarrhea and is one of the most common causes of traveler’s diarrhea. Certain parts of the world don’t have strict laws about food preparation, and many restaurants don’t wash their foods, store it, or prepare it properly.
Sometimes food is left out, especially with buffets and salad bars. Insects can land on the food and spread bacteria and germs. It’s not uncommon for people to sneeze or accidentally spit on food as they walk by it. If you eat food that is contaminated, the bacteria or germs can quickly travel through your digestive tract and cause diarrhea.
Many people also experience nausea, cramping, stomach pain, and vomiting if they eat contaminated food. People are affected differently by different bacteria and contaminations. Most people like to try foods from the different places they travel and don’t realize that the food may not be safe or could be contaminated.