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Risk factors
By Mayo Clinic staffMany people contract H. pylori as children. Contracting H. pylori in adulthood is much less common. Risk factors for H. pylori infection are related to living conditions in your childhood, such as:
- Living in crowded conditions. You have a greater risk of H. pylori infection if you live in a home with many other people.
- Living without a reliable supply of hot water. Having a reliable hot water supply can help you keep your living area clean and reduce your risk of H. pylori.
- Living in a developing country. People living in developing countries, where crowded and unsanitary living conditions may be more common, have a higher risk of H. pylori infection.
- Living with someone who has an H. pylori infection. If someone you live with has H. pylori, you're more likely to also have H. pylori.
References
- Graham DY, et al. Helicobacter pylori. In: Feldman M, et al. Sleisenger & Fordtran's Gastrointestinal and Liver Disease: Pathophysiology, Diagnosis, Management. 8th ed. Philadelphia, Pa.: Saunders Elsevier; 2006. http://www.mdconsult.com/das/book/body/134273666-3/0/1389/0.html. Accessed April 28, 2009.
- Fuccio L, et al. Treatment of Helicobacter pylori infection. BMJ. 2008;337:746.
- H. pylori and peptic ulcer. National Institute for Diabetes and Digestive and Kidney Diseases. http://digestive.niddk.nih.gov/ddiseases/pubs/hpylori/index.htm. Accessed April 29, 2009.
- Talley NJ, et al. Gastric cancer consensus conference recommends Helicobacter pylori screening and treatment in asymptomatic persons from high-risk populations to prevent gastric cancer. American Journal of Gastroenterology. 2008;103:510.
