Should I let traveler's diarrhea run its course?

Should You Let Traveler’s Diarrhea Run Its Course?

Many travelers wonder whether they should treat diarrhea or simply let it pass. While it's true that traveler’s diarrhea often resolves on its own, especially if it's mild, doing nothing isn’t always the best approach. Your body may eventually fight off the infection—often caused by contaminated food or water—but the bigger risk lies in dehydration.

Even if symptoms seem manageable, losing fluids and electrolytes through frequent bowel movements can leave you feeling weak, dizzy, or worse. The safest move is to drink clean, safe liquids like bottled water or, even better, an oral rehydration solution. These solutions contain the right balance of salts and sugars to help your body absorb fluids more effectively than water alone.

That said, not all cases are the same. If you're experiencing severe symptoms—like high fever, bloody stools, or signs of dehydration such as extreme thirst or reduced urination—it’s wise to seek medical care. In some cases, antibiotics or other treatments may be necessary, especially if the diarrhea lasts more than a couple of days.

While it might be tempting to “tough it out,” especially if you’re eager to keep exploring, listening to your body matters. Rest, rehydrate, and don’t hesitate to adjust your plans. After all, the goal of any trip is to enjoy it—not spend it in a race to the nearest bathroom.