Can flight anxiety cause diarrhea?

When you're stressed, neurotransmitters (chemical messengers) travel along this pathway to your gut, where they regulate the movement of water and electrolytes4. The diarrhea symptoms that you experience during stressful situations may be part of your body's fight-or-flight reaction5.



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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.

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The dry air and low air pressure in long flights is dehydrating. “Dehydration due to low humidity levels in the cabin can slow down digestion and worsen constipation and preexisting IBS symptoms,” Surapaneni explains. Consider bringing a refillable water bottle with you on the plane.

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If you've noticed that you become more irregular—or even worse, don't experience a bowel movement at all—while traveling, you're not the only one. In fact, this is a pretty common occurrence. If you were to ask, “what causes constipation?”, travel is one reason that causes this digestive issue.

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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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A person with travel anxiety may experience symptoms throughout the travel process or at specific points during it. For example, booking travel tickets for an upcoming journey may trigger anxiety in some people, while others may be calm until the journey begins and then begin to feel anxious.

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Gastrointestinal tract Traveler's diarrhea is a digestive tract disorder that commonly causes loose stools and stomach cramps. It's caused by eating contaminated food or drinking contaminated water. Fortunately, traveler's diarrhea usually isn't serious in most people — it's just unpleasant.

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Air pressure in the cabin is lower than at sea level. As cabin pressure falls while flying, gas starts to expand. As a result, you may feel pressure in your stomach or digestive system. Gas and bloating are common.

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If you're someone with a preexisting GI condition, such as irritable bowel syndrome (IBS) or inflammatory bowel disease (IBD), gastroenterologists warn that flying can worsen your symptoms.

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During travel, people tend to have higher stress levels and changes in their daily patterns. They may also eat different foods than usual. Any one or a combination of these factors could trigger an IBS flare in some individuals.

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