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What are the common causes of abdominal gas?

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Quick Answer

Common causes of abdominal gas include swallowing too much air, eating foods that cause gas, or having a disease or condition that cause gas, explains Mayo Clinic. Excessive gas is usually a sign of a functioning digestive system, but can sometimes get out of control.

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There are some foods that may cause gas, because the food is not digestible until found by bacteria in the lower intestine, claims Mayo Clinic. When these bacteria break down the food, gas is a byproduct of the process. Some of the foods that this occurs with include lentils and beans, dairy products, and sweeteners such as sorbitol and fructose. These sweeteners are in artificially sweet food, but also in natural fruits.

There are also a number of digestive disorders that cause gas or excessive intestinal gas, according to Mayo Clinic. Excessive internal gas means having flatulence or belching more than 20 times each day. Diseases that may cause this include gastroesophageal reflux disease, celiac disease and gastroparesis. Irritable bowel syndrome, a peptic ulcer and lactose intolerance may also cause excessive gas. It is also possible to have excessive gas due to a food allergy.

Alone, excessive gas is rarely a sign of something serious, states Mayo Clinic. However, it is important to see a doctor, if the gas becomes severe, persistent, or if also experiencing diarrhea, vomiting, blood in the stool, constipation or heartburn.

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