![]() ![]() Approximately 25% of patients describe their symptoms as severe these patients report up to 13 physician visits per year, a frequency much higher than in individuals without IBS.īased on information gathered over the past several decades, IBS is now considered a syndrome of symptoms with numerous heterogeneous etiologies rather than a single disease state. Periodic exacerbations can be severe, limiting health-related quality of life and productivity. Patients with IBS are chronically bothered by their symptoms and often have a high level of frustration-in part because of the difficulty and uncertainty of the diagnosis, and perhaps owing to unfounded fears, but also because of the limited treatment options available. It is important to recognize that the subtype affecting a particular patient can change over time. ![]() Other estimates have divided the subtypes more evenly. According to a 2009 report by Drossman and colleagues, the most common subtype is mixed-presentation IBS (IBS-M), which affects 61% of patients, followed by diarrhea-predominant IBS (IBS-D), which affects 30% of patients, and constipation-predominant IBS (IBS-C), which affects 10% of patients. Estimates of the relative prevalence of the different subtypes vary. IBS is categorized into subtypes using the Rome III criteria based on the predominant stool form. ![]() Patients with IBS often report improvement in their abdominal pain with a bowel movement and also frequently report other symptoms such as bloating. G&H What symptoms are associated with IBS?īC A general definition of IBS is abdominal pain associated with a change in the form and/or frequency of bowel movements in the absence of an alternative organic explanation. Women are twice as likely as men to develop IBS, and younger adults are disproportionately affected. Approximately 12% of primary care visits and up to 25% of gastrointestinal (GI) specialist visits are attributed to IBS. G&H How common is irritable bowel syndrome in the United States?īC Irritable bowel syndrome (IBS) is a prevalent condition that has been estimated to affect up to 15% to 20% of the US adult population. ![]()
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