Travellers' diarrhoea is one of the most common health issues experienced during travel. It can be caused by many different germs like bacteria (E.coli, Salmonella), viruses (norovirus) and parasites (Giardia).
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Tummy problems like diarrhea, constipation, and indigestion are all-too-common travel companions. Travel disrupts many of the body's natural rhythms, including digestion says Dr. Kyle Staller, a gastroenterologist with Harvard-affiliated Massachusetts General Hospital.
Although most cases of travelers' diarrhea (TD) are acute and self-limited, a certain percentage of people afflicted will develop persistent (>14 days) gastrointestinal (GI) symptoms.
Drink canned fruit juices, weak tea, clear soup, decaffeinated soda or sports drinks to replace lost fluids and minerals. Later, as your diarrhea improves, try a diet of easy-to-eat complex carbohydrates, such as salted crackers, bland cereals, bananas, applesauce, dry toast or bread, rice, potatoes, and plain noodles.
Water or an oral rehydration solution is best. Drink at least 1 cup (240 milliliters) of liquid every time you have a loose bowel movement. Eat small meals every few hours instead of three big meals. Eat some salty foods, such as pretzels, crackers, soup, and sports drinks.