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How does a urea breath test check for H. pylori?

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For the urea breath test, you swallow a tablet containing urea (a chemical made of nitrogen and a minimally radioactive carbon). The test measures the amount of carbon dioxide you exhale. This indicates the presence of H. pylori in your stomach. (H. pylori produces an enzyme called urease, which breaks urea down into ammonia and carbon dioxide.)

From: The Urea Breath Test and H. Pylori WebMD Medical Reference

SOURCE: Medicinenet.

Reviewed by Minesh Khatri on January 17, 2017

SOURCE: Medicinenet.

Reviewed by Minesh Khatri on January 17, 2017

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