<\/span><\/h3>\r\nAs we mentioned in the introduction, allergies are the body’s defenses against external factors that appear to be abnormal in the immune system, the compounds that cause allergies are called allergens. The body and the immune system<\/strong> are not resistant to the allergen at all, and a small amount of the allergen can cause allergies in the body. Digestive proteins act as an antigen and stimulate the immune system. As a result of this stimulation, antibodies (immunoglobulins) are produced in the body.<\/p>\r\n\u00a0 Sensitivity<\/strong> occurs with various symptoms in the body and the most common symptoms that indicate gastrointestinal allergies are nausea, vomiting, diarrhea, eczema, itching, swelling, and in the respiratory tract asthma, nasal mucositis, tracheal edema, or swelling of the throat.<\/p>\r\n