The small intestinal bacterial overgrowth (SIBO) breath test is a noninvasive test that measures the amount of gases produced by bacteria in the small intestine. Small intestinal bacterial overgrowth ...

A SIBO breath test checks your breath for hydrogen or methane after drinking a sugary liquid. Jejunal aspiration is a more accurate but invasive test, taking a fluid sample from your small intestine.

A common cause of SIBO is normal intestinal motility dysfunction. Slow movement through the intestines promotes bacterial growth. Possible causes include: History of food poisoning Diabetes Some ...

SIBO starts in the small intestine, but its effects are felt throughout the body. Reviewed by Dietitian Kelli McGrane, M.S., RD "Key Takeaways" SIBO is the result of an overgrowth of bacteria in the ...

SIBO is the result of an overgrowth of bacteria in the small intestine. Subtle signs of SIBO include nutritional deficiencies, rosacea, brain fog and fatigue. Meet with a health care provider to ...