卫生部药物不良反应监测中心的报告显示,我国每年因用药不当引起不良反应的患者高达250万人次。在药物不良反应中,有相当数量是属于过敏反应。根据南京几所大医院皮肤科的粗略估计,因药物过敏而需住院治疗的患者,几乎占到皮肤科住院患者的1/3或更多。造成这种情况的原因当然是多方面的,但与患者甚至不少医生对药物过敏反应的误解也有关。这些误解大致表现在以下几方面:误解之一:认为以往曾用过或经常用但从未引起过敏的药物就不会引起过敏。应该认识到,药物过敏反应的机理是十分复杂的。按照现时对药物过敏机制的 According to the report of the Adverse Drug Reaction Monitoring Center of the Ministry of Health, up to 2.5 million people in our country suffer from adverse reactions each year due to inappropriate medication. In adverse drug reactions, a considerable number are allergic reactions. According to the rough estimates of dermatology in several major hospitals in Nanjing, patients who need hospitalization due to drug allergies account for almost one-third or more of in-dermatology inpatients. Of course, the reasons for such a situation are manifold, but they are also related to the misunderstanding of drug allergic reactions among patients and even many doctors. These misconceptions are generally reflected in the following aspects: One of the misunderstandings: believe that the past has used or often used but never caused allergy drugs will not cause allergies. It should be recognized that the mechanism of drug allergy is very complicated. According to the current mechanism of drug allergy