Various factors, especially not following the testing instructions properly, can result in a false negative test in some cases. However, the breath test is considerably more accurate than blood tests. Note: The specificity and thus the accuracy of ...
The SIBO Lactulose breath test is for diabetics only. This SIBO breath test utilizes “Lactulose” as a substrate to avoid high blood sugar peaks (but sometimes will experience some diarrhea with this). For nondiabetics, we have the SIBO Glucose test, ...