Some patients will be allergic to seafood, mutton, chili peppers and these things, but it is very rare for people to be allergic to pork. It is not because there is a single specific symptom of eating pork allergy, eating anything that causes allergy will show skin manifestations, such as the appearance of red spots, papules, wind clusters, etc. The most important symptom is itching, as its common symptoms. Certain food allergies are very serious after eating, eating drugs with sudden allergic symptoms can be fatal, such as respiratory allergies can appear choking, after eating seafood with pimples, red spots, wind masses, itching unbearable, pork allergy its symptoms are the same, no special performance. If you just ate pork today, causing its allergy, it can be diagnosed as a result of pork allergy. If you have eaten a lot this day and do not know which kind of things you are allergic to, you need to go to the hospital to have your blood drawn and checked for allergens to see if it is due to pork allergy or not. Therefore, there is no single symptom of pork allergy, and it is the same as any other allergy symptom.