2. Symptoms of H. pylori Infection

A person infected with h. pylori will only know about the infection if they develop gastritis (inflammation of the stomach) or ulcers. Signs of stomach ulcers include:

  • A dull or burning pain in the stomach that gets worse when the stomach is empty
  • Nausea
  • Loss of appetite
  • Indigestion
  • Frequent burping
  • Bloating
  • Vomiting
  • Unintentional weight loss

The following symptoms require immediate medical attention. They may indicate complications of the ulcer such as bleeding or perforation.

  • Persistent abdominal pain
  • Dark or bloody stool
  • Difficulty breathing
  • Fatigue
  • Pale skin
  • Vomit that looks like coffee grounds or contains blood
  • Dizziness or fainting
  • Feeling full after eating a small amount
  • Belly pain or swelling
  • Constant decreased appetite


This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.