IGHE and allergic asthma: In our study, 548 HDM-allergic patients were diagnosed with three main symptoms—allergic asthma (asthma), AR, allergic skin disease (AD)—and their serum samples were analyzed with a panel of specific IgE to Der p 1, Der p 2, Der p 7, Der p 10, Der p 21, Der p 23, Der f 1, and Der f 2.