What are the signs and symptoms of Helicobacter pylori (H pylori) infection?

Updated: Jul 21, 2021
  • Author: Luigi Santacroce, MD; Chief Editor: BS Anand, MD  more...
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In general, patients infected with H pylori are asymptomatic, and no specific clinical signs and symptoms have been described. When signs and/or symptoms are present, they may include the following:

  • Nausea

  • Vomiting

  • Abdominal pain

  • Heartburn

  • Diarrhea

  • Hunger in the morning

  • Halitosis (bad breath)

See Presentation for more detail.

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