Causes of Irritable Bowel Syndrome
Posted By kymom on January 22, 2012
Digesting and absorbing food is the main purpose of our gastrointestinal tract. For this to happen like it should, food must be ground, mixed and then transported through the intestines. It is here that is is digested and absorbed. Any unabsorbed food is then eliminated from the body.
Irritable Bowel Syndrome, more commonly known as IBS, is a disease of the GI tract. The mixing and absorbing that happens in our intestines is disturbed when you have IBS. The most common disturbance happens with transportation. If transportation is slowed down, we experience nausea, vomiting and bloating. When transportation is too fast, we have diarrhea.
If rapid or slowed transportation happens in the colon we experience constipation or diarrhea. There may also be mucous in the stool or a sense of incomplete evacuation after having a bowel movement.
When sensations are processed and perceived abnormally, abdominal bloating and pain are the result. This is turn can cause symptoms of slow or rapid transportation.
The digestion of food through the small intestine which is slowed down can be, for example, complicated by bacterial overgrowth. When this happens, bacteria that are normally confined to the colon can move up into the small intestine. These bacteria are exposed to undigested food in the small intestine, which is not normally abundant in the colon. The bacteria turns this undigested food into gas and bloating is the result as well as diarrhea.
Since the gastrointestinal tract has only a few ways that it can respond to disease, it reacts to the symptoms of functional and non-functional disease the same way. The symptoms are the same….nausea, vomiting, bloating, diarrhea, constipation and abdominal pain. Before treating a functional disease, such as IBS, all non-functional diseases should be ruled out.
Testing for non-functional gastrointestinal disease is more readily available and sensitive and is important in the evaluation of functional disease.


















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