bacterial overgrowth

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Related to bacterial overgrowth: bacterial overgrowth syndrome

bacterial overgrowth

The multiplication of opportunistic bacteria in the lower GI tract, often due to antibiotic therapy.

Lab medicine
The multiplication of contaminating bacteria in a specimen (e.g., blood, urine, due to inadequate fixation or delay in processing the specimen in a timely fashion

bacterial overgrowth

GI disease The multiplication of opportunistic bacteria in the lower GI tract, often due to antibiotic therapy. See Pseudomembranous colitis Lab medicineThe multiplication of contaminating bacteria in a specimen–eg, blood, urine, due to inadequate fixation or delay in processing the specimen in a timely fashion.


pertaining to or caused by bacteria.

bacterial adhesiveness
bacterial allergy
see bacterial hypersensitivity.
cutaneous bacterial granuloma
bacterial diseases
diseases in which bacteria play a significant but not necessarily exclusive role.
bacterial fermentation
fermentation is more commonly a function of yeasts but is performed by some bacteria, e.g. those in the rumen. See also fermentation.
bacterial food poisoning
see food poisoning.
bacterial gill disease
see gill disease.
bacterial kidney disease of fish
a serious disease of salmonid cultures characterized by granuloma in the kidney and spleen, and extensive caseation of muscles. The disease is chronic and causes heavy losses. The cause appears to be a minute gram-positive coccobacillus Renibacterium salmoninarum.
bacterial overgrowth
a syndrome of malabsorption causing chronic or recurrent diarrhea in dogs. Believed to be due to the presence in the small intestine of an abnormally large population of Clostridium spp. and other enteric bacteria normally found in the colon.
References in periodicals archive ?
Eradication of small intestinal bacterial overgrowth reduces symptoms of irritable bowel syndrome.
That strategy grew out of a 2008 study showing that 52 (46%) of 113 patients with rosacea had small intestinal bacterial overgrowth (SIBO) compared with 3 (5%) of 60 healthy matched controls.
Cedars-Sinai physician examined samples of patients' small bowel cultures to confirm the presence of small intestinal bacterial overgrowth - or SIBO - in more than 320 subjects.
Ailments such as pneumonia, bone loss, enteric infections, and bacterial overgrowth have been linked to chronic acid suppression.
34-36)In fact, bacterial overgrowth, extending into the small intestine, is a significant problem that is commonly misdiagnosed in the elderly.
Topics include impedance studies, high-resolution manometry, sensitivity testing, gastric emptying scintigraphy, breath testing for carbohydrate malabsorption and bacterial overgrowth, new tests like wireless motility capsule for evaluation of regional and whole gut transit/motility, functional brain imaging in GI neurophysiology, gastroesophageal reflux disease, gastroparesis, irritable bowel syndrome, and fecal incontinence.
Approved IBS treatments mainly speed up or slow down motility, the movement of food through the gut, he says, whereas this drug takes on bacterial overgrowth.
Under such circumstances, preservation of urine is necessary to provide a stable environment for the specimen and prevent bacterial overgrowth (similar to refrigeration) until testing can be conducted.
Small intestinal bacterial overgrowth (SIBO) is a common cause of chronic diarrhea.
Previous research has identified a link between small intestinal bacterial overgrowth, which may contribute to IBS, and several sensory disorders including fibromyalgia, interstitial cystitis, and RLS.
Results of further tests excluded conditions known to complicate or coexist with celiac disease, including bacterial overgrowth, microscopic colitis, and lactose intolerance.
In a recent study, 10 of 13 irritable bowel patients who had abnormal lactulose breath tests reported that RLS symptoms improved at least 80 percent from baseline after being treated for small intestinal bacterial overgrowth.