H. pylori is a bacteria which thrives in the stomach. It is found in about 50% of individuals in North America. However, many people who have the bacteria in the stomach have no signs or symptoms of infection. H. pylori is now known to be the cause of peptic ulcer disease. The bacteria have the capacity to cause inflammation of the stomach wall lining and cause ulcers and stomach cancers.
How H. pylori actually causes ulcers of the stomach is not known but researchers believe that the bacteria releases toxic products which can damage the wall lining. When an ulcer has been established by h. pylori the signs and symptoms may include:
- burning pain in the abdomen
- weight loss
- nausea, vomiting, burping
- bloated feeling
- blood in the stools or black stools
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