药物过敏的发生率很高,占药物副作用的6～10%,多表现出荨麻疹样的轻微症状。但也有象过敏性休克、咽喉水肿、哮喘样呼吸困难等重症出现。不过多数药物过敏是可以通过注意询问病史、观察皮肤反应、做过敏试验等予以预防或减轻。本文就以此为重点加以叙述。一、药物过敏的定义在通常用药量以下,由于免疫机制的参与,导致与药物本来的药理作用不同的反应发生,称为药物过敏。在药物过敏中也包括了症状与过敏极为相似,但 The incidence of drug allergy is high, accounting for 6 to 10% of drug side effects, and more showed a slight symptom of urticaria. But there are also severe cases such as anaphylactic shock, sore throat and asthma-like dyspnea. However, most drug allergies can be prevented or alleviated by paying attention to the history, observing the skin reaction, doing allergy tests and the like. This article focuses on this narrative. First, the definition of drug allergy below the usual dosage, due to the involvement of the immune mechanism, resulting in the original pharmacological effects of drugs with different reactions, known as drug allergy. Symptoms and allergies are also included in the drug allergy, but