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Home > Patient & Family Resources > Health Library > Traveler's Diarrhea
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Traveler's diarrhea is a common medical problem for people traveling from developed, industrialized countries to developing areas of the world.
High-risk areas for traveler's diarrhea include developing countries in Africa, Asia, the Middle East, and Latin America. Low-risk areas include the developed countries of North America, Central Europe, Australia, and Japan.
Traveler's diarrhea is usually caused by a bacterial infection. Bacteria such as Escherichia coli (E. coli), Campylobacter, Shigella, or Salmonella are the most common causes. These bacteria are in water contaminated by human or animal stools. Drinking water, water used to wash food, or irrigation water may be affected. When the traveler drinks this water or eats contaminated food, he or she is likely to get diarrhea.
Common sources of bacteria that cause diarrhea are undercooked or raw foods, contaminated food, or contaminated water (including ice cubes).
Traveler's diarrhea can be mild to severe. Most people who develop traveler's diarrhea experience symptoms within the first 2 weeks, and often within 2 to 3 days, of arriving in a developing area. Symptoms include:
Treatment for traveler's diarrhea includes drinking fluids to avoid dehydration, taking nonprescription medicines, and in some cases, antibiotics and intravenous (IV) fluids.
Children 2 years old or younger are at high risk of dehydration from diarrhea. If your child has diarrhea:
The best way to prevent traveler's diarrhea is to avoid food or water that may be contaminated. A good rule of thumb for food safety is, "If it's not boiled, well-cooked, or peeled, don't eat it." Raw seafood and milk products usually are high-risk foods for bacterial contamination. Dry foods, such as breads, or fruits that you can peel are safe to eat.
Avoid drinking local water where you are traveling. Beverages that are usually safe to drink include:
Water also can be filtered or treated with iodine to make it safe to drink.
Also, be aware that contaminated water may be used to wash fruits and vegetables, clean utensils and plates, and make ice cubes. Brushing your teeth with untreated water also may increase your risk of infection.
Avoid eating food from street vendors where flies can transmit bacteria and poor hygiene practices are more likely to contaminate foods. If you purchase food at an outdoor market, make sure you boil it, cook it thoroughly, or peel it before you eat it.
Good hand-washing is important in preventing the spread of infectious diseases. Washing with treated water or using alcohol wipes or antibacterial gels to disinfect your hands are good ways to reduce your risk of getting an infectious disease.
Talk with your doctor about antibiotics you can carry with you on your trip and instructions on when to use them just in case you should develop diarrhea.
In the United States, the Centers for Disease Control and Prevention (CDC) maintains current information on infectious diseases around the world. Local health departments can access this information to help you determine what prevention measures-such as vaccines, antimalarial medicine, or supplies to treat water-are appropriate for the area of the world you are traveling to. The CDC website (www.cdc.gov/travel/default.aspx) also updates information for travelers.
Resources for medical care in a foreign country include embassies or consulates and major hotels. For English-speaking travelers, multinational corporations or credit card companies also may have referrals for local medical care in the foreign country.
Current as of:
July 1, 2021
Author: Healthwise StaffMedical Review: E. Gregory Thompson MD - Internal MedicineKathleen Romito MD - Family MedicineAdam Husney MD - Family MedicineW. David Colby IV MSc, MD, FRCPC - Infectious Disease
Current as of: July 1, 2021
Author: Healthwise Staff
Medical Review:E. Gregory Thompson MD - Internal Medicine & Kathleen Romito MD - Family Medicine & Adam Husney MD - Family Medicine & W. David Colby IV MSc, MD, FRCPC - Infectious Disease
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