Helicobacter pylori (H. pylori) is a type of bacteria. These germs can enter your body and live in your digestive tract. After many years, they can cause sores, called ulcers, in the lining of your stomach or the upper part of your small intestine. It has been reported that H Pylori eradication (with antibiotic treatment) can cure some patients with ITP. However, success seems to be much higher in some countries (eg. Japan) than in Australia, USA or Europe.