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Irritable Bowel Syndrome

Updated: Sep 14, 2021

Irritable Bowel Syndrome (IBS) is an increasingly common gastrointestinal condition typically presenting with symptoms of either constipation, diarrhoea or a mixture of the two, alongside symptoms including gas, bloating and pain. Common extra-intestinal symptoms seen in IBS include: brain fog, anxiety, depression, joint pain and rashes.

ID: A brightly coloured colon (red) and small intestine (purple)

Really IBS is a diagnosis of exclusion, and can be caused by a multitude of issues including:

· impaired gastrointestinal motility

· hypersensitive nerves in the gut (visceral hypersensitivity)

· food poisoning

· carbohydrate malabsorption

· food sensitivities

· bacterial overgrowth or dysbiosis

· intestinal inflammation

(Meydan et al., 2020)


Meydan, C., Afshinnekoo, E., Rickard, N., Daniels, G., Kunces, L., Hardy, T., Lili, L., Pesce, S.,

Jacobson, P., Mason, C. E., Dudley, J., & Zhang, B. (2020). Improved gastrointestinal health for irritable bowel syndrome with metagenome-guided interventions. Precision Clinical Medicine, 3(2), 136–146.


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