Stress Can Cause Diarrhea

Stress triggers diarrhea through brain-gut connections, experts say.

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Oct 21, 2026

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Stress Can Cause Diarrhea

Stress triggers diarrhea through brain-gut connections, experts say.

In brief

Stress triggers diarrhea through brain-gut connections, experts say. Stress affects bowel habits via brain-gut communication, causing diarrhea in some people. Originally reported by Men's Health.

Quick answers

What is the Connection Between Stress and Diarrhea?
Stress can cause diarrhea through brain-gut connections, experts say.
What is the key takeaway from Stress Can Cause Diarrhea?
Stress affects bowel habits via brain-gut communication, causing diarrhea in some people.

What is the Connection Between Stress and Diarrhea?

Stress can cause diarrhea through brain-gut connections, experts say.

The Brain-Gut Connection

The gut has a second brain that talks to the brain, affecting digestion and stress responses.

How Stress Affects the Gut

How Stress Affects the Gut

Stress releases cortisol and adrenaline, which can cause diarrhea and disrupt gut bacteria.

Treating Stress-Related Diarrhea

Address stress causes with over-the-counter meds, probiotics, and avoiding irritants like alcohol.

When to See a Doctor

Seek medical help if diarrhea persists or includes bloody stool, fever, or severe pain.

The short version

Stress affects bowel habits via brain-gut communication, causing diarrhea in some people.

Read the original on Men's Health

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