由于食物引起的荨麻疹称为食饵性荨麻疹.由何种食品,或怎样引起食饵性荨麻疹发病很重要。大多数食品里都使用食品添加剂,这也是诱发荨麻疹极为重要的因素,其它还有是由于食入了特殊食品,并在超负荷运动时,发生食品依赖性运动诱发型过敏。也有与食物接触过的部位而引起全身症状,为接触性荨麻疹综合征。一、食物变态反应食物的变态反应是由免疫反应引起,为狭义的食物变态反应,由其他反应引起的可理解为广义的食物变态反应、在免疫反应以外的反应中,存在着如食品添加剂引起的机理不明的反应。由混入细菌等引起的 Since food-borne urticaria is called alimentary urticaria, it is important what kind of food to take, or how to induce the onset of alimentary urticaria. The use of food additives in most foods is also an extremely important factor in the induction of urticaria, with others due to ingestion of special foods and food-dependent exercise-induced allergies during periods of excessive exercise. There are also parts of the food contact caused systemic symptoms, contact urticaria syndrome. First, the food allergy Food allergy is caused by the immune response, a narrow sense of the food allergy caused by other reactions can be understood as a generalized food allergy, reactions other than the immune reaction, there is such as food additives caused The mechanism of unknown response. By mixing bacteria caused