autoimmune. the state conferred by autoimmunity. autoimmune disease. a disease state characterized by a specific antibody or cell-mediated immune response against the body's own tissues (autoantigens).
List of causes of Gastroenteritis. Following is a list of causes or underlying conditions (see also Misdiagnosis of underlying causes of Gastroenteritis) that could possibly cause Gastroenteritis includes: 1  Food poisoning. 2  E coli food poisoning. 3  Staphylococcus aurea food poisoning.
Although not as common, bacteria such as E. coli and salmonella can also trigger the stomach flu. Salmonella and campylobacter bacteria are the most common bacterial causes of gastroenteritis in the U.S. and are usually spread by undercooked poultry, eggs, or poultry juices.