Heartburn symptoms: acid reflux could be caused by a bacteria in the stomach the bacterium called helicobacter pylori - also known as hpylori can affect the lining of the stomach. Acid reflux bacteria test. Sibo is a health condition in which there are too many bacteria in the upper part of the small intestine, a place where these microorganisms really shouldn't be gerd is a disease in which stomach acid burns the lining of the esophagus (acid reflux), causing the symptom of heartburn.
acid reflux bacteria test
