What is the Difference Between Flatulence and Bloating?

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Flatulence and bloating are two different symptoms related to the buildup of gas in the gastrointestinal tract. Here are the main differences between them:

  • Flatulence refers to the passage of rectal gas. It is caused by the swallowing of air while eating and drinking, as well as the incomplete digestion of certain foods in the gut.
  • Bloating refers to a sense of fullness in the upper abdomen. It can be influenced by gas and/or food accumulation in the stomach. Bloating is often caused by constipation, gut sensitivity (people with inflammatory bowel syndrome), small intestinal bacterial overgrowth (SIBO), gastroparesis (delayed stomach emptying), and gynecological conditions.

Both flatulence and bloating are associated with problems in the gastrointestinal tract and can be diagnosed through physical examination. They are often treated through diet management and medications like simethicone. While gas and bloating interrelate, they are distinct conditions, and it is common to experience one without the other. In some cases, people can be more sensitive to even normal amounts of gas and develop the above symptoms.

Comparative Table: Flatulence vs Bloating

Here is a table comparing flatulence and bloating:

Feature Flatulence Bloating
Definition Passage of rectal gas A sense of fullness in the upper abdomen, often caused by gas or food
Causes Swallowing air, incomplete digestion of certain foods in the gut Constipation, gut sensitivity, small intestinal bacterial overgrowth (SIBO), gastroparesis, and gynecological conditions
Symptoms Passing gas through the anus Feeling of fullness or swelling in the abdomen, sometimes accompanied by abdominal pain
Dietary Factors Foods high in fiber (e.g., beans, peas, lentils, cabbage, onions, broccoli, cauliflower, and whole grains) and gas-causing foods Excess bowel gas from leafy greens, beans, and bran foods, dairy products for lactose intolerant individuals

Both flatulence and bloating are symptoms related to intestinal gas and can be associated with problems in the gastrointestinal tract. They can be diagnosed through physical examination and are often treated through diet management and medications like simethicone.