Angioedema, Hereditary, 1, also known as hereditary angioneurotic edema, is related to angioedema, hereditary, 3 and hereditary angioedema, and has symptoms including abdominal pain, diarrhea and vomiting. An important gene associated with Angioedema, Hereditary, 1 is SERPING1 (Serpin Family G Member 1), and among its related pathways/superpathways are Innate Immune System and Response to elevated platelet cytosolic Ca2+. The drugs Metronidazole and Vancomycin have been mentioned in the context of this disorder. Affiliated tissues include skin and bone, and related phenotypes are abdominal pain and paresthesia