Medically reviewed by Robert Burakoff, MD Key Takeaways IBS and lactose intolerance both cause symptoms of diarrhea, ...

Hydrogen breath tests are a diagnostic tool that doctors use to identify small intestinal bacterial overgrowth (SIBO), lactose intolerance, and other digestive conditions. The test measures the amount ...

Medically reviewed by Jurairat J. Molina, MD Key Takeaways Milk allergy can cause serious reactions like anaphylaxis and ...

A hydrogen breath test can help determine if you have one of a few conditions that can affect your digestive health. It may tell you if you have too much bacteria in your gut, if you are lactose ...