Bacterial Overgrowth Of Small Intestine
Description
Abnormally large numbers of bacteria are present in the small intestine. Normally the small intestines contracts pushing the stool through the intestine. In bacterial overgrowth of the small intestine this contraction does not occur effectively allowing the bacteria to multiply. In healthy patients there are different bacteria in the small intestine and large intestine. In this disorder the bacteria in the small intestine are the same kind as those found in the large intestine. The following diseases are associated with this disorder: scleroderma, diabetes, partial small intestine obstruction, diverticuli of the small intestine. This abnormal growth of bacteria causes the symptoms.
Symptoms
Excess gas, abdominal bloating and distension, diarrhea, abdominal pain, excess fat in stool (steatorrhea).
Tests
A history and physical exam will be performed. Identifying the bacterial overgrowth directly by culturing the small intestine fluid, or indirectly by performing a hydrogen breath test.
Treatment
Treatment consists of antibiotics (Levofloxacin, ciprofloxacin, metronidazole, rifaximin), and probiotics.
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