过敏反应的英文是allergic reaction。
例句：
1、My biggest breakdown is I'm allergic to 10% foods.
我最大的崩溃是我对10%的食物过敏。
2、She has an allergic reaction to some flowers.
她对某些花有过敏反应。
3、Many of the things we eat can trigger off a violent allergic reaction.
我们所吃的许多食物都能导致强烈的过敏反应。
4、But for allergic reaction, skin test must be done before using.
由于易出现过敏反应，使用前必须做皮内试验。
5、An allergic reaction to many of the things we eat.
因我们所吃的许多食物而引起的过敏性反应。
6、There was no obvious allergic reaction, with little side effect.
无明显的过敏反应，副反应小。
7、So she has an allergic reaction and heart failure.
她有过敏反应和心力衰竭。
8、Please stop taking the medication if allergic reaction occurs.
出现过敏现象，应停止使用药物。
9、The end result is better resistance to the cat protein without an extreme allergic reaction.
最终结果就是对猫的蛋白能有更好的抵抗，但却不会有极端的过敏反应。
10、Analysis of Allergic Reaction of Drugs of 177 Cases
177例药物过敏反应的分析。
我还是杰
