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J Clin Gastroenterol. 2008 Jul;42 Suppl 2:S85-90. doi: 10.1097/MCG.0b013e31816244ca.

The efficacy of probiotics in IBS.

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Alimentary Pharmabiotic Centre, National University of Ireland, Cork, Ireland.


The clear delineation of a postinfective variety of irritable bowel syndrome (IBS), and the description, in a number of studies, of evidence of low-grade inflammation and immune activation in IBS, suggest a role for a dysfunctional relationship between the indigenous flora and the host in IBS and, accordingly, provide a clear rationale for the use of probiotics in this disorder. Other modes of action, including bacterial displacement and alterations in luminal contents, are also plausible. Although clinical evidence of efficacy is now beginning to emerge, a review of available trials emphasizes the importance of clear definition of strain selection, dose, and viability. The possible roles of cotherapy or sequential therapy with antibiotics, probiotics, prokinetics, or other agents, also deserve further study. The role of the enteric flora is evidently an area of great potential in IBS; we are on the threshold of a new era of research and therapy for this common disorder.

[Indexed for MEDLINE]

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