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春回大地,万物复苏,人们也怀着喜悦的心情迎接着春天的到来,但是对某些人来说,春天却有着不小的烦恼,那就是过敏。谈到过敏,人们并不陌生,许多人都可能有过过敏的经历。过敏在医学上又称变态反应或超敏反应,是指已被过敏原致敏的机体,在再次接触相同过敏原时所发生的组织损伤和(或)生理功能紊乱。根据过敏反应发生机制的不同,一般可分为4型,我们常说的过敏一般属于Ⅰ型变态反应。常见的过敏性疾病主要有过敏性鼻炎、过敏性哮喘、皮
Spring returns to the earth and everything is recovering. People welcome the arrival of spring with joy. But for some people, spring has a lot of troubles. That is allergies. When it comes to allergies, people are no strangers and many people may have allergic experiences. Allergy in medicine, also known as allergic or hypersensitivity reaction, refers to allergens have been allergic to the body, re-exposure to the same allergens occurred when tissue damage and (or) physiological disorders. According to the different mechanism of allergic reaction, generally can be divided into 4 types, we often say allergy is generally type Ⅰ allergy. Common allergic diseases are mainly allergic rhinitis, allergic asthma, skin