(H. pylori) is a type of bacteria that can infect the stomach and intestines. It can lead to:
Gastritis—inflammation of the stomach liningUlcersStomach cancer
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This condition occurs when an infected person passes the bacteria to someone else. The bacteria are spread through: Fecal-oral contactOral-oral contact
Factors that increase your risk of H. pylori infection include being in: Close contact with an infected personA crowded and unsanitary living environment
In most cases, there are not any symptoms. However, if someone develops an ulcer or gastritis, symptoms may include:
Abdominal pain that may:
Awaken you from sleepChange when you eatLast for a few minutes or several hoursFeel like unusually strong hunger pangsNausea or vomitingWeight lossLoss of appetiteBloatingBlack, tarry, or bloody stoolsBurpingVomiting bloodLightheadedness
Your doctor will ask about your symptoms and medical history. A physical exam will be done.
Tests may include: Blood testsStool testEndoscopy—a thin, lighted tube inserted down your throat to look inside your stomach and to take tissue samples for testing
Urea breath test—a test that can help detect if there is a current infection
Talk with your doctor about the best treatment plan for you. Your doctor may recommend: Antibiotics to treat the bacterial infectionH-2 blockersProton pump inhibitorsAntacids
To reduce your chances of getting H. pylori infection, take these steps: Wash your hands after using the bathroom and before eating or preparing food.Drink water from a safe source.
smoke. Smoking increases the chance of getting an ulcer.
Helicobacter pylori. Centers for Disease Control and Prevention website. Available at:
http://www.cdc.gov/ulcer/files/hpfacts.PDF. Accessed May 13, 2013.
Travelers health helicobacter pylori. Centers for Disease Control and Prevention website. Available at: http://wwwnc.cdc.gov/travel/yellowbook/2016/infectious-diseases-related-to-travel/helicobacter-pylori. Updated July 1, 2011. Accessed May 14, 2013.
Weyermann M, Rothenbacher D, Brenner H. Acquisition of
infection in early childhood: independent contributions of infected mothers, fathers, and siblings.
Am J Gastroenterol.
Last reviewed March 2016 by Daus Mahnke, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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