Q. What is the difference between belching and flatulence?
Doctor Answer is medically reviewed by SecondMedic medical review team.
The Great Gas Escape: Belching vs. Flatulence
Our bodies produce gas during digestion, and sometimes, it needs to find a way out! Here's how belching (burping) and flatulence (passing gas or farting) handle the situation:
-
Belching (burping):
- Escape Route: Up and out through your mouth.
- Cause: Swallowing air while eating or drinking quickly.
- Gas Composition: Mostly odorless air (nitrogen and oxygen).
- Sound: Often accompanied by a distinct "burp" sound.
-
Flatulence (passing gas or farting):
- Escape Route: Down and out through your rectum.
- Cause: Bacteria in your lower intestine (colon) fermenting undigested carbohydrates (sugars and starches) in your food.
- Gas Composition: Varies depending on your diet and gut bacteria (nitrogen, oxygen, carbon dioxide, hydrogen, methane, sulfur compounds). This variation affects the smell of the gas.
- Sound: May or may not have a sound, but when it does, it can be quite noticeable.
In a nutshell:
- Belching gets rid of swallowed air from your stomach.
- Flatulence releases gas created by gut bacteria in your lower intestine.
Both belching and flatulence are natural bodily functions, but excessive gas can be uncomfortable. If you experience frequent or bothersome gas, it's best to consult gastroenterologist to rule out any underlying digestive issues.
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