Gas, also called flatus or flatulence, is air in the intestine that is passed through the rectum. Air that is passed from the digestive tract through the mouth is called belching .
Gas is formed in the intestines as food is being digested. Gas can make you feel bloated, which may cause crampy or colicky abdominal pain .
Gas can be caused by any of the following:
Eating foods that are difficult to digest, such as fiber . If you recently introduced fiber into your diet, having gas may be temporary. Give it a little time. Your body may adjust and stop producing gas.
Eating foods that you cannot tolerate -- for example, if you have lactose intolerance and eat dairy products
Irritable bowel syndrome
-- a chronic form of stomach upset that gets worse with stress
(when your body cannot absorb or digest a ...
Bloating is the feeling of a full, swollen belly area, usually due to gas in the intestines. Some women have bloating before or during their period (menstrual cycle).
See also: Abdominal bloating
Menstrual periods and bloating
If you have bloating associated with your menstrual cycle, exercise to sweat out excess fluids and eat more high-fiber foods to help prevent constipation .
See also: PMS
Tissue infection - Clostridial; Gangrene - gas; Myonecrosis; Clostridial infection of tissues
Clean any skin injury thoroughly. Watch for signs of infection (such as redness, pain, drainage, or swelling around a wound), and consult your health care provider promptly if these occur.
Bartlett JG. Clostridial infections. In: Goldman L, Ausiello D, eds. Cecil Medicine . 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 319.
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