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Irritable Bowel Syndrome (cont.)

What are the symptoms of irritable bowel syndrome?

IBS affects each person differently. The hallmark of IBS in adults and children is abdominal discomfort or pain. The following signs and symptoms also are common:

  • Abdominal cramping and pain that are relieved with bowel movements
  • Alternating periods of diarrhea and constipation
    • Those who mostly have diarrhea as a symptom are considered to have IBS with diarrhea (IBS-D), characterized by sudden urges to have bowel movements, along with loose stools.
    • Those who mostly have constipation as a symptom are considered to have IBS with constipation (IBS-C), characterized by passage of hard, lumpy stools, straining during bowel movements, and infrequent stools
  • Change in the stool frequency or consistency
  • Gassiness (flatulence)
  • Passing mucus from the rectum
  • Bloating
  • Abdominal distension
  • Loss of appetite

Though not a symptom of IBS, indigestion affects up to 70% of people with IBS.

The following are NOT signs and symptoms or characteristics of IBS (but should still be brought to the attention of a health-care professional since they may be signs and symptoms of other conditions):

Medically Reviewed by a Doctor on 3/25/2016
Medical Editor:

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Irritable Bowel Syndrome (IBS) - Preventive

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Read What Your Physician is Reading on Medscape

Irritable Bowel Disease »

Irritable bowel syndrome (IBS) is a functional GI disorder characterized by abdominal pain and altered bowel habits in the absence of specific and unique organic pathology.

Read More on Medscape Reference »


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