Helicobacter pylori is a bacteria which can infect the lining of the stomach. It is responsible for causing ulcers and has been associated with upper abdominal discomfort (dyspepsia), nausea, vomiting and bloating. It is also associated with an increased risk of gastric cancers (NB. this affects only a tiny minority of patients).
- A stool test for Helicobacter faecal antigen
- A urease breath test
- A biopsy during upper GI endoscopy