I was wondering if you can get Helicobacter pylori (the bacteria that can cause gastritis and ulcers) by kissing a person, if that person is infected with it?

  • 2
    Of note, 80% of people in the developing world are infected with H. Pylori. "Usually destroys the stomach lining" may be more accurately, "increases the risk for peptic ulcer disease".
    – Susan
    Commented Apr 16, 2016 at 21:40
  • Tnx for the comment but I've read that multiple times along with millions of posts and articles, suffering from digestive problems for over 5 years... Hoping to get a decent answer here
    – user3462
    Commented Apr 16, 2016 at 22:02

1 Answer 1


The mode of transmission of helicobacter is unknown but studies show that people with helicobacter infections may have it also in their saliva. So, in this study, 75% had helicobacter identified by molecular Probes.


This has lead to some people saying that transmission by saliva is common.



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