Some intestinal gas comes from the air that people swallow when they are eating, chewing gum, drinking through a straw or smoking. Intestinal gas is also produced within the body when bacteria in the colon break down food.
This is called endogenous gas. It consists mainly of oxygen, carbon dioxide, hydrogen and methane. It can also contain small amounts of other gases, such as hydrogen sulfide, which makes gas smell bad. Undigested carbohydrates are a common cause of gas, as the stomach and the small intestine cannot break these foods down.
Instead, they move into the large intestine where bacteria begin to break them down, releasing intestinal gas in the process. In fact, the average person produces to 1, ml of gas per day and expel it about times.
Research has shown that there is no significant difference in the amount of gas that males and females pass. See your healthcare provider and have it checked out.
In many cases, gas that smells especially bad is simply due to something you've eaten. Meat, eggs, cabbage, onions, garlic, or excessively fatty foods all contribute to foul-smelling gas. Alternatively, if you are lactose-intolerant and have any dairy products like milk, cheese, or yogurt, it's possible to create sulfurous odors. In most cases, there's no need to treat excessive flatulence. However, if you experience pain, bloating, cramping, or bloody stool in addition to excessive flatulence, then it may be worth contacting your healthcare provider.
Even if it might feel a bit embarrassing, there's nothing wrong with reaching out about any concern. Constipation can play a part in causing bad gas. During constipation, food is being fermented in the digestive tract for an extended period of time.
As a result, when the digested food is finally expelled, any accompanying gas can be especially foul. Gas pain? Stool issues? Sign up for the best tips to take care of your stomach. Hasler WL. Gas and Bloating. Gastroenterol Hepatol N Y. American Cancer Society. Key statistics for colorectal cancer. Updated January 24, Azpiroz F. Intestinal gas dynamics: mechanisms and clinical relevance.
A systematic review of the effectiveness of palliative interventions to treat rectal tenesmus in cancer. Palliat Med. Pathophysiology of IBD associated diarrhea. Tissue Barriers. Botulinum toxin for chronic anal fissure after biliopancreatic diversion for morbid obesity. World J Gastroenterol. Azpiroz F, Serra J. Treatment of excessive intestinal gas.
Curr Treat Options Gastroenterol. Colorectal cancer signs and symptoms. Updated February 21, Harvard Medical School. Harvard Health Publishing. Gas flatulence. Updated July Gas in the digestive tract. Updated June 28, Passing gas, especially very smelly gas, can be an embarrassing problem.
Fortunately, for anyone who experiences smelly gas, there are steps that can be taken to reduce the problem. In most cases, it is natural and healthy for a person to experience intestinal gas. An average person will pass gas multiple times per day. It is not uncommon for farts to be either smelly or produce no odor at all.
Both are typically considered normal. In this article, we take a look at what can lead to smelly gas, along with the symptoms that could occur alongside. We also examine the treatment options that are available when needed. Causes of smelly flatulence can range from harmless to potentially severe. It may not always be easy to identify what is behind smelly flatulence due to the number of potential causes. Many reasons for smelly flatulence revolve around food or medication.
However, some causes may indicate an underlying health condition. Typical conditions that can cause smelly flatulence include lactose and gluten intolerances. Other people may have food intolerance due to a disease such as celiac disease. Celiac disease is an autoimmune disease that causes injuries to the digestive tract. People with celiac disease have difficulty digesting gluten, which is found in wheat products.
If a person suspects food allergies or intolerances, they should see a doctor to test for these conditions. This will help find the exact cause and allow the person to avoid foods that contain the offending ingredient. High-fiber foods are difficult to digest. The fermentation process produces odorous gas. In some cases, foods higher in fiber have a distinctive odor. The natural odor from these foods can also cause flatulence to be smelly.
High-fiber foods often also contain more sulfur than other types. One of the more common culprits is antibiotics. The removal of the good bacteria causes an imbalance in the digestive tract. The imbalance can cause a person to produce bad smelling gas. This excess gas can also lead to uncomfortable bloating and constipation.
Constipation occurs when stool builds up in the colon or large intestine and cannot exit. This may be due to taking certain medications, poor diet, or other biological causes. The buildup of stool in the colon often causes a buildup of smelly gases to occur alongside. This extra gas may cause bloating and discomfort.
When finally released, the gas is often smelly. The digestive tract is responsible for breaking down foods into usable nutrients, which are absorbed into the blood.
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