Why does my poop smell different on vacation?

Changes in diet can affect the way your stool smells. For example, eating more spicy food or higher quantities of meat than you usually do will likely produce stronger smelling stools. Significant changes to your diet while traveling can also change the way your stool smells.



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That's because when you travel, so does your gut microbiome. Your digestive tract is home to trillions of different bacteria, viruses, and fungi—all of which might be disturbed by a jaunt to a new locale.

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Traveler's diarrhea occurs within 10 days of travel to an area with poor public hygiene. It's the most common illness in travelers. It's caused by drinking water or eating foods that have bacteria, viruses, or parasites. It usually goes away without treatment in a few days. Dehydration from diarrhea can be serious.

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It's possible that traveler's diarrhea may stem from the stress of traveling or a change in diet. But usually infectious agents — such as bacteria, viruses or parasites — are to blame. You typically develop traveler's diarrhea after ingesting food or water contaminated with organisms from feces.

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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.

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