Klebsiella species are gram-negative bacteria normally found in the intestinal tract that are associated with a wide range of small intestinal disorders including:
- alterations of motility,
- diarrhea,
- gas,
- abdominal pain,
- and bloating.
Its overgrowth in the small intestine can also cause histaminosis and gut inflammation through the release of histamine by the bacteria.
Those with a history of long-term antibiotic use are at risk.
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