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SIBO

Small intestinal bacterial overgrowth means too many microbes in the part of the gut that should hold few. These pages explain how it can arise, how it is tested, and why it so often overlaps with IBS.

10 articles, 7 case studies

IBS12 min read

A breath test tells only half the truth about SIBO

How to test for SIBO, what hydrogen, methane and hydrogen sulfide results mean, how accurate breath tests are, and why identifying the bacterium changes the treatment.

Nick's case SIBONew cases, 8 min read

SIBO can look exactly like celiac disease on a biopsy

Nick, 26, was on a strict gluten-free diet for two and a half years with little change. His case explains how small intestinal bacterial overgrowth can…

Katherine's case IBSNew cases, 8 min read

Thyroxine did not settle IBS and reflux in Hashimoto’s

Katherine, 25, hoped that thyroxine would fix her constipation and reflux, but things got worse. Her case explains how Hashimoto's thyroiditis can slow the migrating motor…

George's case Acid refluxBook cases, 10 min read

Two days of reflux led to six years on omeprazole

George took omeprazole for six years after a two-day bout of reflux. This book case follows his bloating, diarrhea and fatigue through the eight stops of…

Colin's case IBSBook cases, 10 min read

Meal timing changed the course of one man’s SIBO

Colin, 24, had burping, bloating and pain after meals that no specialist could explain. This book case follows his SIBO from the first meeting to the…