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World J Gastroenterol. 2014 Jul 21;20(27):8867-85. doi: 10.3748/wjg.v20.i27.8867.

Recent advances in pharmacological treatment of irritable bowel syndrome.

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Georgia Lazaraki, Grigoris Chatzimavroudis, Panagiotis Katsinelos, Department of Endoscopy and Motility Unit, G. Gennimatas General Hospital, School of Medicine, Aristotle University of Thessaloniki, 54635 Thessaloniki, Greece.


Irritable bowel syndrome (IBS) is a highly prevalent functional disorder that reduces patients' quality of life. It is a chronic disorder characterized by abdominal pain or discomfort associated with disordered defecation in the absence of identifiable structural or biochemical abnormalities. IBS imposes a significant economic burden to the healthcare system. Alteration in neurohumoral mechanisms and psychological factors, bacterial overgrowth, genetic factors, gut motility, visceral hypersensitivity, and immune system factors are currently believed to influence the pathogenesis of IBS. It is possible that there is an interaction of one or more of these etiologic factors leading to heterogeneous symptoms of IBS. IBS treatment is predicated upon the patient's most bothersome symptoms. Despite the wide range of medications and the high prevalence of the disease, to date no completely effective remedy is available. This article reviews the literature from January 2008 to July 2013 on the subject of IBS peripherally acting pharmacological treatment. Drugs are categorized according to their administration for IBS-C, IBS-D or abdominal pain predominant IBS.


Constipation; Diarrhea; Irritable bowel syndrome; Irritable bowel syndrome constipation; Irritable bowel syndrome treatment; Irritable bowel syndrome-diarrhea; Irritable bowel syndrome-pain

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