Can travelers diarrhea last 3 weeks?

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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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.

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Although traveler's diarrhea is typically a benign, self-resolving condition, it can lead to dehydration and, in severe cases, significant complications.

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Call a doctor if you have diarrhea that is severe, lasts more than a few days or is bloody. If you are traveling, call an embassy or consulate for help locating a doctor. Other signs that you should seek medical attention include: A fever of 102 F (39 C) or higher.

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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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