Traveler’s diarrhea is the most common health problem of international travelers. Traveler’s diarrhea is the main infectious disease reported in persons traveling abroad. Among the microorganisms responsible, bacteria represent approximately 61% . Watery and persistent diarrhea, fever, and abdominal cramps were common complaints. The estimated prevalence of people in China are affected with Travelers' diarrhea is 39,157,006 extrapolate the above incidence rate for Traveler's diarrhea to the populations.
The mainstay of treatment is fluid replacement and an antimotility drug such as loperamide 4 mg po initially, followed by 2 mg po for each subsequent episode of diarrhea qid in tablet or liquid form may reduce the Traveler's diarrhea. TD continues to be a worldwide disease that affects millions of tourists. Constant developments in prevention and discovery of new pathogens responsible for TD continually change our understanding of the disease. Antibacterial agents are remarkably effective for TD therapy.