Not a good bug: H. Pylori causes problems in the stomach by initiating a superficial ulceration near the cardio-esophageal junction. Healing of the ulcer is unique in that it does not occur from surrounding mucosa but rather by bone marrow stem cells migrating to heal the ulcer. H. pylori bugs release a toxin converting the stem cells to a malignant lesion. Antibiotics needed when H.pylori is active.
Answered 7/23/2014
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Ubiquitous bug : close to 50% of world's population has Hp, vast majority will develop no problems because of it. it is certainly associated with gastritis and ulcer disease (10-20% people) and cancer for ~1%. it is also protective against GERD and Barrett's esophagus. if you had your Hp treated a month ago and it was a successful eradication, your symptoms are caused by something else (GERD, IBS, etc).
Answered 7/12/2014
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