What is Helicobacter pylori and stomach ulcers? According to estimates, today around half of the world's population are infected with Helicobacter pylori, although not every infection produces symptoms. The bacterium Helicobacter pylori ("H. pylori") causes conditions such as gastritis and stomach ulcers. There is yet no immunisation available against the infection, which occurs in both children and adults. However, use of the appropriate medication (such as antibiotics) can eliminate the bacterium. The stomach lining and duodenum are both protected against stomach acid by a protective coating. If this protective function is disturbed in any way, the mucous membrane of the stomach can be damaged, leading to ulcers. This typically happens due to H.
eBay