Helicobacter pylori is a type of bacterium that can live in the stomach and duodenum. It parasitizes in gastric mucus and mucous cells, where it reduces the acidity of stomach acid and causes chronic gastritis. If left alone, it may evolve into gastric cancer over time. 

If Helicobacter pylori causes chronic gastritis, or mucosal lesions during advanced stage gastritis, these conditions will not disappear even if the Helicobacter pylori infection is cured. These conditions are irreversible, and may develop into gastric cancer. It is vital to check and remove Helicobacter pylori from the stomach as soon as possible to reduce any damage it may cause.

• Fast Blood Test: Used to detect whether antibodies against Helicobacter pylori can be found in the blood
• Breath Test: The patient ingests medicine containing urea, which will create a chemical reaction with the bacteria if it is present in the stomach that can be detected from the patient’s breath
• Endoscopy: A sample of gastric tissue will be taken for biopsy testing and bacterial cultivation. Doctors may also use endoscopies to assess whether the gastric mucus has been damaged or if precancerous lesions are present