A, eat seafood allergy eat seafood allergy is due to seafood is rich in a large number of heterogeneous proteins, these heterogeneous proteins directly or indirectly activate the immune cells, causing the release of chemical mediators, followed by a series of complex biochemical reactions. Antibodies and antigens **** the same action, the human body will show allergic symptoms. Due to the existence of individual variability, hereditary allergies, the lack or reduction of certain enzymes in the body is the basis of allergy, the body in certain physiological or pathological state, the sensitivity to food is different, which can lead to the occurrence of allergy. The first thing to do is to stop eating seafood, and then the fastest way is to go to the hospital for an injection, take appropriate vitamins under the doctor's advice, drink some glucose powder, and also drink a lot of water. Some people originally eat seafood is fine, but when they eat not fresh seafood, due to the seafood corruption produce a large number of substances similar to histamine, absorbed by the body will cause allergies. Eating seafood allergy should be taken as soon as possible after the anti-allergy drugs, such as paracetamol, cyproheptadine, or chlordiazepoxide, cetirizine and so on.