Traveler's diarrhea is diarrhea in people who travel to international destinations. It often happens in less developed countries.

The primary cause of traveler’s diarrhea is ingesting contaminated food or water. The substance carries bacteria, a virus, or a parasite that causes the diarrhea. Examples of agents that can cause the diarrhea include:

  • Bacteria (most common cause)
  • Viruses
    • Rotavirus
    • Norwalk virus
  • Parasites

Virus Attacking Cell
Virus
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The pathogen that causes the infection will partly depend on the area of travel.