Most people with H. pylori infection will never have any signs or symptoms. It's not clear why this is, but some people may be born with more resistance to the harmful effects of H. pylori.
When signs or symptoms do occur with H. pylori infection, they may include:
- An ache or burning pain in your abdomen
- Abdominal pain that's worse when your stomach is empty
- Loss of appetite
- Frequent burping
- Unintentional weight loss
When to see a doctor
Make an appointment with your doctor if you notice any persistent signs and symptoms that worry you. Seek immediate medical help if you experience:
June 05, 2014
- Severe or persistent abdominal pain
- Difficulty swallowing
- Bloody or black tarry stools
- Bloody or black vomit or vomit that looks like coffee grounds
- H. pylori and peptic ulcers. National Institute of Diabetes and Digestive and Kidney Diseases. http://digestive.niddk.nih.gov/ddiseases/pubs/hpylori/. Accessed Dec. 30, 2013.
- Papadakis MA, ed., et al. Current Medical Diagnosis & Treatment 2014. 53rd ed. New York, N.Y.: The McGraw-Hill Companies; 2014. http://www.accessmedicine.com/resourceTOC.aspx?resourceID=1. Accessed Dec. 31, 2013.
- Helicobacter pylori infection. The Merck Manuals: The Merck Manual for Health Care Professionals. http://www.merckmanuals.com/professional/gastrointestinal_disorders/gastritis_and_peptic_ulcer_disease/helicobacter_pylorihelicobacter_pylori_infection.html. Accessed Jan. 3, 2014.
- Helicobacter pylori and cancer. National Cancer Institute. http://www.cancer.gov/cancertopics/factsheet/Risk/h-pylori-cancer. Accessed Jan. 3, 2014.
- Chey W, et al. American College of Gastroenterology guideline on the management of Helicobacter pylori infection. Bethesda, Md.: American College of Gastroenterology. http://gi.org/guideline/management-of-helicobacter-pylori-infection/. Accessed Dec. 30, 2013.
- Crowe SE. Bacteriology and epidemiology of Helicobacter pylori infection. http://www.uptodate.com/home. Accessed Dec. 30, 2013.
- Crowe SE. Indications and diagnostic tests for Helicobacter pylori infection. http://www.uptodate.com/home. Accessed Dec. 30, 2013.