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Why are people with irritable bowel syndrome gassy?

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Many people with irritable bowel syndrome (IBS) say they're extremely gassy. It’s not clear why. They don’t seem to make more gas than anyone else, but it seems to bother them more. Studies have found people with IBS have trouble getting rid of gas, possibly because of problems with how the nerves and muscles in their gut work. Their intestines also may be extra sensitive. Even a normal amount of gas may cause pain.

From: IBS and Gas WebMD Medical Reference

SOURCES:

Hernando-Harder, A. April 2010. American Journal of Gastroenterology,

International Foundation for Functional Gastrointestinal Disorders: "Bloating," "Report from Fernando Azpiroz, MD, PhD: Understanding Intestinal Gas," "Controlling Intestinal Gas," "What are treatment options for IBS?" "Probiotics and Antibiotics," "Gut Bacteria and IBS," "Symptoms of IBS," "The Low FODMAP Diet Approach: Dietary Triggers for IBS Symptoms," "IBS Diet: Dietary Fiber."

American Academy of Family Physicians: "Irritable Bowel Syndrome."

UpToDate: "Patient Information: Irritable Bowel Syndrome (Beyond the Basics.)"

Eswaran, S. April 2013. American Journal of Gastroenterology,

National Institute of Diabetes and Digestive and Kidney Diseases: "Irritable Bowel Syndrome."

Staudacher, H. October 2011. Journal of Human Nutrition and Dietetics,

Monash University: "Low FODMAP diet for Irritable Bowel Syndrome."

Aragon, G. January 2010. Gastroenterology & Hepatology,

UpToDate: "Patient Information: Gas and bloating (Beyond the Basics.)"

Therapeutic Advances in Gastroenterology, July 2009.

Reviewed by Minesh Khatri on December 6, 2017

SOURCES:

Hernando-Harder, A. April 2010. American Journal of Gastroenterology,

International Foundation for Functional Gastrointestinal Disorders: "Bloating," "Report from Fernando Azpiroz, MD, PhD: Understanding Intestinal Gas," "Controlling Intestinal Gas," "What are treatment options for IBS?" "Probiotics and Antibiotics," "Gut Bacteria and IBS," "Symptoms of IBS," "The Low FODMAP Diet Approach: Dietary Triggers for IBS Symptoms," "IBS Diet: Dietary Fiber."

American Academy of Family Physicians: "Irritable Bowel Syndrome."

UpToDate: "Patient Information: Irritable Bowel Syndrome (Beyond the Basics.)"

Eswaran, S. April 2013. American Journal of Gastroenterology,

National Institute of Diabetes and Digestive and Kidney Diseases: "Irritable Bowel Syndrome."

Staudacher, H. October 2011. Journal of Human Nutrition and Dietetics,

Monash University: "Low FODMAP diet for Irritable Bowel Syndrome."

Aragon, G. January 2010. Gastroenterology & Hepatology,

UpToDate: "Patient Information: Gas and bloating (Beyond the Basics.)"

Therapeutic Advances in Gastroenterology, July 2009.

Reviewed by Minesh Khatri on December 6, 2017

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