How fast do antibiotics work for travelers diarrhea?

If you don't treat traveler's diarrhea, it usually will go away in four to five days. But treatment with an antibiotic and loperamide often can cure you within 24 hours. If you are not better after taking antibiotics, talk to your doctor.



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Traveler's diarrhea often goes away in a few days. Often, the only treatment is fluid replacement.

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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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Symptoms may last longer and be more severe if it's caused by certain bacteria or parasites. In such cases, you may need prescription medicines to help you get better. If you're an adult, see your doctor if: Your diarrhea lasts beyond two days.

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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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Recent studies have shown that approximately 25% of travelers develop TD in the first 2 weeks abroad, with the highest rates occurring in travel to Africa and South, Central and West Asia.

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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.

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Travellers' diarrhoea tends to happen in the first week of travel. Symptoms last on average 3 to 5 days and usually get better without you needing specific treatment.

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