AGA technical review on irritable bowel syndrome. An improved understanding of the recommended diagnostic and therapeutic approaches for IBS will lead to greater patient satisfaction, as well as reduced health-care costs. This Review discusses the current evidence-based recommendations for the diagnosis and management of IBS. Pharmacotherapy is typically targeted against the predominant symptom. Patient-centered care is recommended, in which management is focused on the patient's most bothersome and impactful symptoms, their preferences and previous experiences with treatment, and addressing factors associated with the onset and exacerbation of symptoms. Management of IBS is based on a multifactorial approach and includes establishment of an effective patient–provider relationship, education, reassurance, dietary alterations, pharmacotherapy, behavioral and psychological treatment.
Limited and judicious use of diagnostic testing is recommended, particularly in patients with typical symptoms of IBS without alarm signs and symptoms. IBS is considered a functional bowel disorder (that is, not defined by structural or biochemical abnormalities) and is diagnosed using symptom-based criteria. IBS is a common gastrointestinal condition characterized by chronic or recurrent abdominal pain associated with altered bowel habits.
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