Ileocolitis, also known as iieocolitis, is related to ileitis and inflammatory bowel disease 1, and has symptoms including diarrhea, weight loss and abdominal pain in middle. An important gene associated with Ileocolitis is GPX2 (Glutathione Peroxidase 2), and among its related pathways/superpathways are Extrafollicular and follicular B cell activation by SARS-CoV-2 and Overview of nanoparticle effects. The drugs Immunologic Factors and Immunomodulating Agents have been mentioned in the context of this disorder. Affiliated tissues include colon and skin, and related phenotypes are homeostasis/metabolism and digestive/alimentary