答:为了回答这个问题,首先需要了解青霉素过敏的发生机理。当青霉素过敏原与过敏者体内的蛋白质或多肽结合成全抗原时,促使机体产生相应的抗体。由于抗原和抗体的相互作用,引起各种类型的过敏反应。青霉素过敏原分为两大类,其性质与反应类型有一定的关系:(1)大抗原决定簇:即青霉噻唑蛋白,是引起大多数过敏反 A: In order to answer this question, you first need to understand the mechanism of penicillin allergy. When the penicillin allergen and allergic body protein or polypeptide binding to the whole antigen, to promote the body to produce the corresponding antibodies. Due to the interaction of antigens and antibodies, various types of allergic reactions are caused. Penicillin allergens are divided into two categories, the nature of the reaction type has a certain relationship: (1) large antigenic determinants: the penicillin thiazole protein, is caused by the majority of allergic