Helicobacter Pylori Infection, also known as h. pylori infection, susceptibility to, is related to penicillin allergy and typhoid fever, and has symptoms including abdominal pain, constipation and diarrhea. An important gene associated with Helicobacter Pylori Infection is IFNGR1 (Interferon Gamma Receptor 1), and among its related pathways/superpathways are Cytokine Signaling in Immune system and Bacterial infections in CF airways. The drugs Acetylcysteine and Azithromycin have been mentioned in the context of this disorder. Affiliated tissues include liver and bone marrow, and related phenotypes are helicobacter pylori infection and neoplasm