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 ...