What disease is it that red pimples appear on your body and the more you scratch it, the more itchy

The more red lumps tickle the body, the more itching, this situation is normal urticaria. The main reason for urticaria is to eat some animal protein, fish, shrimp, crab, shellfish, eggs, etc., as well as some fruits, mangoes, lemons, etc. There are some food additives, such as salicylate, sulfite, etc., which will cause urticaria. In addition, there may be some viral infections, bacterial infections, fungal infections and parasitic infections will also cause urticaria. In addition to this there are some drugs, such as cephalosporins, penicillins, furazolidone, sulfonamides are easy to cause urticaria performance.