English-Chinese/Allergic reaction

An allergic reaction, formally known as type 1 hypersensitivity, is the result of an inappropriate immune response triggering inflammation, vasodilation, and nerve irritation.

过敏反应，正式称为1型超敏反应，是不恰当的免疫反应引发炎症，血管舒张和神经刺激的结果。