Abdominal pain and changes in bowel movements

Irritable Bowel Syndrome

Related terms · IBS · Irritable Bowel Syndrome

Irritable Bowel Syndrome is a gut-brain interaction disorder characterized by recurrent abdominal pain related to bowel movements, accompanied by changes in the frequency or appearance of stool.

Reviewed by Korean Medicine Doctor Choi Yeon-seung · Last updated 2026-08-25

Overview

Irritable Bowel Syndrome: Please check these three things first

  • Irritable Bowel Syndrome (IBS) is a condition characterized by recurring abdominal pain and changes in bowel movements, such as diarrheaconstipation that occur together.
  • Even if inflammation or structural abnormalities are not evident in tests, the pain and urgent need to defecate can actually disrupt daily life.
  • Whether the pain changes after a bowel movement, diarrheaand whether the pattern is diarrhea-predominant, constipation-predominant, or mixed, determine the treatment goals.

Definitions and Distinctions

What is Irritable Bowel Syndrome?

Diagnosis is made through symptom criteria and necessary evaluations, even if the condition cannot be explained by structural damage seen in tests. IBS is a condition where recurring abdominal pain is related to bowel movements, accompanied by changes in the frequency or shape of stool gut-brain interaction and bowel habits.

Easily Confused Terms
abdominal pain This is different from cases where only constipation or diarrhea persists without pain; inflammatory bowel disease, infections, and other conditions are distinguished by warning signs and tests.
Why this is checked during the medical evaluation
We examine the relationship between abdominal pain and bowel movements, the shape of the stool, and the impact on daily life.
Information to prepare
Please record the frequency, shape, urgency, and the timing of abdominal pain before and after bowel movements for one week.

More details

Connecting Irritable Bowel Syndrome to My Symptoms

The frequency or shape of stool also changes when I have abdominal pain

In IBS, there is a recurring pattern where abdominal pain is linked to bowel movements, and the frequency or shape of the stool differs from usual. This must be distinguished from functional diarrhea or functional constipation where there is no abdominal pain. Since some people experience reduced pain after a bowel movement while others experience an increase, a diagnosis is not made based solely on statements like 'I have diarrhea' or 'I am constipated.'

Diarrhea-predominant, constipation-predominant, and mixed types are distinguished by stool shape

If loose stools recur primarily, it is described as diarrhea-predominant; if hard stools requiring straining are central, it is constipation-predominant; and if both patterns alternate clearly, it is mixed-type. The pattern may change for the same person depending on the period or medications taken. Rather than just recording the number of bowel movements, please also note the shape based on the Bristol Stool Scale, whether you had to rush to the bathroom, and if there was a feeling of incomplete evacuation.

It is not the same as diseases like enteritis, but there are symptoms to check first

Irritable Bowel Syndrome is not the same as enteritis, where the intestinal mucosa is damaged by inflammation. If you have a fever, bloody stools, diarrhea severe enough to wake you from sleep, or unexplained weight loss, it is not dismissed as IBS. We check for recent antibiotic use, symptoms starting after an infection, family history, and the timing of previous tests to ensure necessary examinations are performed first.

Treating abdominal pain and bowel discomfort that remain after tests

Results showing no major abnormalities in endoscopy, blood, or stool tests provide grounds for reassurance, but they do not mean that pain and urgency have disappeared. In Korean medicine treatment, we do not look only at the shape of diarrhea or constipation; we check the time when abdominal pain begins, sensations of coldness, cold sweats, sleep, and the sequence of intestinal movement when nervous. While maintaining the improvements made by existing medications, we set the goals for Korean herbal medicine treatment based on the remaining abdominal pain, bowel discomfort, and fatigue.

Frequently Asked Questions

Common questions when looking into Irritable Bowel Syndrome

Does Irritable Bowel Syndrome mean stress-induced enteritis?

This does not mean it is the same as enteritis, nor does it mean it is simply a matter of mindset. The interaction between the gut and the brain, as well as gut motility and sensory sensitivity, can be affected, and tension is just one of many factors. We adjust your lifestyle and treatment direction based on the actual discomfort you experience.

What records are helpful when diarrhea and constipation alternate?

Rather than just recording the daily frequency, please keep a record for about one week of the stool shape, the urgency of the bowel movement, whether abdominal pain decreased after passing stool, and the use of laxatives or antidiarrheals. If bloody stools, nocturnal diarrhea, or weight loss newly occur, other causes must be checked first.

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Evidence and Update Information

The definitions and safety standards in the materials below were referenced.

  1. NIDDK: IBS symptoms and causes
Summary and review information for this page

Reviewing Medical Staff

Choi Yeon-seung, Doctor of Korean MedicineChief Director · Editor of Korean Medicine Atlas · BRC Researcher

Page Summary

Irritable Bowel Syndrome is a gut-brain interaction disorder characterized by recurrent abdominal pain related to bowel movements, accompanied by changes in the frequency or appearance of stool.

What this page covers

What is explained
What should be checked first regarding the meaning of Irritable Bowel Syndrome?
What situations are covered
Diagnosis is made through symptom criteria and necessary evaluations, even if the condition cannot be explained by structural damage seen in tests alone.
What distinctions are made
Difference from similar terms: It is different from cases where only constipation or diarrhea persists without abdominal pain; inflammatory bowel disease, infections, etc., are distinguished by warning signs and tests.
How should this be understood
Irritable Bowel Syndrome is a gut-brain interaction disorder where recurrent abdominal pain is related to bowel movements and is accompanied by changes in the frequency or shape of stool.

Key Points

  • Meaning of Irritable Bowel Syndrome: Diagnosis is made through symptom criteria and necessary evaluations, even if the condition cannot be explained by structural damage seen in tests alone.
  • Difference from similar terms: It is different from cases where only constipation or diarrhea persists without abdominal pain; inflammatory bowel disease, infections, etc., are distinguished by warning signs and tests.
  • Reason for checking during medical evaluation: We examine the relationship between abdominal pain and bowel movements, as well as stool shape and the degree of disruption to daily life.

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