Is travelers diarrhea the same as Giardia?

Travelers' Diarrhea Caused by Protozoa The most common parasitic cause of TD is Giardia duodenalis, and treatment options include metronidazole, nitazoxanide, and tinidazole (see Sec. 5, Part 3, Ch. 12, Giardiasis).



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Traveler's diarrhea (dysentery, Montezuma's revenge) is usually a self-limiting episode of diarrhea that results from eating food or water that is contaminated with bacteria or viruses.

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Travellers' diarrhoea usually gets better in 3 to 5 days. Most cases are mild and do not need specific treatment. For further information on self-treatment and when to seek medical help, see treatment section below.

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Untreated, bacterial diarrhea usually lasts 3–7 days. Viral diarrhea generally lasts 2–3 days. Protozoal diarrhea can persist for weeks to months without treatment. An acute bout of TD can lead to persistent enteric symptoms, even in the absence of continued infection.

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Learn some ways to treat travelers' diarrhea
  1. Drink lots of fluids. If you get diarrhea, drink lots of fluids to stay hydrated. ...
  2. Take over-the-counter drugs. Several drugs, such as loperamide, can be bought over-the-counter to treat the symptoms of diarrhea. ...
  3. Only take antibiotics if needed.


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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.

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Traveler's diarrhea may get better without any treatment. But while you're waiting, it's important to try to stay hydrated with safe liquids, such as bottled water or water with electrolytes such as an oral rehydration solution (see below).

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Severe (acute) diarrhea is incapacitating or completely prevents planned activities. All dysentery (passage of grossly bloody stools) is considered severe. The expert panel defines persistent diarrhea as diarrhea that lasts for = 14 days [6].

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