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Health Information and Tools >  Gas, Bloating, and Burping

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Gas, Bloating, and Burping

Overview

Gas (flatus), bloating, and burping are all normal conditions. Gas is made in the stomach and intestines as your body breaks down food into energy. Gas and burping may sometimes be embarrassing. Bloating, which is a feeling of fullness in the belly, can make you uncomfortable. Many people think that they pass gas too often or have too much gas. But it's rare to have too much gas. Changing what you eat and drink can sometimes cut down on gas and relieve discomfort caused by gas.

Belching or burping (eructation) is the voluntary or involuntary and sometimes noisy release of air from the stomach or esophagus through the mouth. Burping 3 or 4 times after eating a meal is normal. It's usually caused by swallowing air. Other causes of burping include nervous habits or other medical conditions, such as an ulcer or a gallbladder problem.

All people pass gas, but some people produce more gas than others. It's normal to pass gas from 6 to 20 times a day. This may embarrass or annoy you. But a lot of intestinal gas usually isn't caused by a serious health condition.

Common causes of gas and bloating include:

  • Swallowed air. If swallowed air isn't burped up, it passes through the digestive tract. Then it's released through the anus as flatus. Swallowing a lot of air may cause hiccups.
  • Foods and drinks such as beans, broccoli, carbonated drinks, and beer. The amount of gas and the odour that different foods cause vary from person to person.
  • Lactose intolerance. A person who can't easily digest lactose, a type of natural sugar found in milk and dairy products, can have both gas and bloating as well as other symptoms.
  • Constipation. It can cause bloating but generally doesn't increase gas.
  • Medicines or natural health products. Both prescription and non-prescription medicines, as well as dietary supplements, can cause bloating and gas as side effects.
  • A medical condition, such as a bowel obstruction or Crohn's disease.
  • Changes in hormone levels. It's common for people to have bloating right before their periods. That's because their bodies retain fluid.
  • Pregnancy.

Dyspepsia is a medical term that is used to describe a vague feeling of fullness, gnawing, or burning in the chest or upper belly, especially after eating. A person may describe this feeling as "gas." Other symptoms may occur at the same time, such as belching, rumbling noises in the belly, increased flatus, poor appetite, and a change in bowel habits. Causes of dyspepsia can vary from minor to serious.

In some cases, a person may dismiss serious symptoms, such as symptoms of a heart attack, as "just gas" or indigestion.

Information about Gas, Bloating, and Burping

Current as of: October 19, 2023

Author: Ignite Healthwise, LLC Staff

Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.

This information does not replace the advice of a doctor. Ignite Healthwise, LLC, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.

Information about Gas, Bloating, and Burping

Current as of: October 19, 2023

Author: Ignite Healthwise, LLC Staff

Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.