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Small Intestinal Bacterial Overgrowth (SIBO) is defined as the presence of excessive bacteria in the small intestine [2]. It occurs when there is an increase in the bacterial population in the small intestine, leading to common SIBO symptoms like bloating and diarrhea [3][ 5]. Other symptoms may include abdominal pain, nausea, fatigue, gas and weight loss [1]. The cause of SIBO can be due to anatomical or functional abnormalities that impair normal gut motility or mucosal barrier function [4], or it can be caused by medications such as antibiotics or proton pump inhibitors [5]. Treatment for SIBO typically involves dietary changes and/or antibiotics depending on severity. Dietary interventions may include a low FODMAP diet which helps reduce fermentation from certain carbohydrates that are not absorbed properly in people with SIBO[6].

[1]: Small intestinal bacterial overgrowth (SIBO) - Symptoms and causes ... (
[2]: Small Intestinal Bacterial Overgrowth - PMC (
[3]: SIBO (Small Intestinal Bacterial Overgrowth): Symptoms, Diet ... (
[4]: Small intestinal bacterial overgrowth - Wikipedia (
[5]: SIBO: Symptoms, causes, treatment, and diet (
[6]: Small Intestinal Bacterial Overgrowth (


Small Intestinal Bacterial Overgrowth (SIBO) is a condition in which there is an excessive amount of bacteria present in the small intestine. This can lead to symptoms such as abdominal pain, bloating, gas, diarrhea and/or constipation. It can also cause malabsorption of nutrients leading to deficiencies in vitamins and minerals. SIBO is often caused by an imbalance between beneficial and harmful bacteria or due to impaired motility of the small intestine. Treatment typically involves dietary changes, antibiotics or probiotics depending on the severity of the case.