- Basic concepts
- Functional esophageal disorders
- Functional gastroduodenal disorders
- General approach to gastroduodenal disorders
- Functional dyspepsia
- Belching disorders
- Nausea and vomiting disorders
- Functional bowel disorders
- Scientific update
- Resources
- Bibliography
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Scientific update
What are the most effective nonpharmacologic therapies for irritable bowel syndrome?
For patients with severe refractory IBS, hypnosis has been shown to relieve symptoms (SOR: B). Soluble fiber is more effective than insoluble fiber at improving global IBS symptom ratings (SOR: C)
Herbal formulations, certain probiotics, elimination diets based on immunoglobulin G antibodies, cognitive behavioral therapy, and self- help books have been shown to decrease global symptoms of irritable bowel syndrome (IBS) and improve overall quality of life (strength of recommendation (SOR): B).