Helicobacter pylori Infection

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Overview

Helicobacter pylori (commonly shortened to H. pylori) are spiral-shaped bacteria that can attach to the lining of the stomach or small intestine and thrive and multiply in that environment. H. pylori infection occurs when the bacteria release toxins.

Helicobacter pylori infection is the leading cause of stomach ulcers (e.g., peptic ulcers) and gastritis (inflammation in the stomach). Approximately 80–95% of people with ulcers are infected with H. pylori. Treatment usually is q...Read the full article