Irritable bowel syndrome or IBS is a functional bowel disorder in which abdominal pain or discomfort is associated with a change in bowel habit. Sensations of discomfort (bloating), distension, and disordered defecation are commonly associated features. Its difficult to diagnose and manage. It affects about 10-12% of the population globally.
The symptoms vary between individuals and some people have more severe symptoms than others. The symptoms tend to come and go – they may last for a few days or for a few months, often during times of stress or after eating certain foods.
Symptoms may include:
- Diarrhoea (sudden and explosive episodes)
- Constipation
- Alternating episodes of diarrhoea and constipation
- Stools appearing harder or very loose
- Abdominal pain usually occurs in the lower half of the abdomen; pain is aggravated by meals and relieved by having a bowel movement
- Often, the person has frequent bowel movements, when they have pain and the stools are looser.
Depending on the symptoms, IBS can be subtyped or subclassified. Read about the Types of IBS.
Changed
22/Apr/2025
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