What is Helicobacter pylori infection?
• Helicobacter (hel-i-ko-BAK-ter) pylori (pi-LO-ri) infection is a condition caused by a bacteria (germ) called Helicobacter pylori or H. pylori. This infection usually occurs in childhood and may persist in the stomach for many years. A person may be a carrier of H. pylori bacteria, but may not become sick or show any symptoms. H. pylori are commonly found in the digestive organs where they may increase in number and produce toxins (poisonous substances). The body may try to fight the infection and get rid of H. pylori by making more acid. Overtime, this condition may cause inflammation (swelling) of the lining of the stomach and duodenum (small bowel). H. pylori may weaken the protective layer of the stomach and allow acids to seep in. This may damage the underlying stomach cells and lead to formation of ulcers (sores or holes). • The stomach and the duodenum are part of the digestive system where food is broken down. The stomach produces strong acids (juices) needed to break down fo
