Why hives is related to food allergy?
The allergic mechanism is responsible for the hives manifestation, because of chemicals that are released during the abnormal immune reaction, mainly histamine. When histamine circulates in the inner cells of the skin and of the skin capillaries, the endothelial cells, provokes an inflammatory reaction with a leakage of liquids from the capillaries, resulting in itchy skin lesion. Histamine may also be released by causes other than food allergy, as infections, drugs, viruses or bacteria or other physical substances (water, heath, cold, sun, etc.) Types of hives Food allergy related hives is an allergic hives: histamine and the other inflammatory substances are released from activated immune cells. These cells have been activated by the binding with IgE antibodies, produced by the allergen-antibody interaction. Mechanisms other that immune cells can cause histamine release and non allergic hives. According to the time in which the itchy reaction disappears, we can classify acute hives,
