答:青霉素类抗菌素可以引起各种类型的过敏反应,如皮疹、哮喘、药物热、血清病样反应、溶血性贫血及过敏性休克,严重者可以致死。过敏反应的发生率各人报道不一,低者仅1%,高者可达16%,平均发生率为5～6%。而且,对青霉素类的过敏反应有逐年增加的 A: Penicillin antibiotics can cause various types of allergic reactions, such as rash, asthma, drug fever, serum-like reaction, hemolytic anemia and anaphylactic shock, severe cases can be lethal. The incidence of allergic reactions vary from person to person, with only 1% being low and up to 16% with an average of 5-6%. Moreover, the allergic reaction to penicillin increased year by year