1 doctor weighed in:

Lactulose breath test... At 90 minutes... Reading was 30 ppm of hydrogen. Is that considered positive for sibo?

1 doctor weighed in
Dr. David Drewitz
Internal Medicine - Gastroenterology

In brief: Depends...

The absolute value makes no difference in interpreting a hbt.
The amount of increase over baseline is what determines a positive from a negative test.

In brief: Depends...

The absolute value makes no difference in interpreting a hbt.
The amount of increase over baseline is what determines a positive from a negative test.
Dr. David Drewitz
Dr. David Drewitz
Thank
Get help from a real doctor now
Dr. Andrea Brand
Board Certified,
7M people helped
Continue
111,000 doctors available