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Gastroenterol Hepatol (N Y). 2019 Jan;15(1):16-26.

Irritable Bowel Syndrome and Dietary Interventions.

Author information

1
Dr Werlang is a gastroenterology and hepatology fellow and Dr Palmer and Dr Lacy are senior associate consultants at Mayo Clinic in Jacksonville, Florida.

Abstract

Irritable bowel syndrome (IBS) is the most prevalent functional gastrointestinal disorder, affecting approximately 14% of the global population. Symptoms of IBS are some of the most common reasons that primary care providers refer patients to gastroenterologists. IBS has a significant economic impact on the health care system and greatly reduces patients' quality of life. The precise cause of IBS remains unknown, but likely involves a variety of factors, such as infection, inflammation, medication, and stress, in a genetically predisposed individual. Physicians can diagnose patients with IBS by obtaining a careful history and physical examination, performing limited testing, and applying the Rome IV criteria. Treating IBS symptoms can be challenging, as no medication cures the disorder. Thus, treatment focuses on improving symptoms and quality of life. Many patients report that symptoms develop from, or are exacerbated by, food. A number of physiologic and biochemical processes can occur with food ingestion that may produce heightened symptoms of IBS. Therefore, dietary interventions to improve IBS symptoms appear to be a reasonable treatment approach. This article discusses the evidence supporting dietary interventions for the treatment of IBS.

KEYWORDS:

Irritable bowel syndrome; dietary management; elimination diet; gluten-free diet; low-FODMAP diet

PMID:
30899204
PMCID:
PMC6423692

Conflict of interest statement

The authors have no relevant conflicts of interest to disclose.

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