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MediumGastroenterologyIrritable bowel syndromeau-amcau-racgp

A 36-year-old woman presents with recurrent abdominal pain and altered bowel habit. She reports loose stools most days but denies nocturnal diarrhoea, weight loss or rectal bleeding. Blood tests including full blood count, CRP and coeliac serology are normal. Colonoscopy is normal. What is the most likely diagnosis?

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