Food can give him an allergic reaction.

食物会让他产生过敏反应。

There have been no allergic reactions since.

从那以后就没有过敏反应了。

Maybe smelling flowers gives them an allergic reaction.

也许闻花会让他们产生过敏反应。

Emily had an allergic reaction to something.

Emily 对某种东西产生了过敏反应。

She said he had never experienced an allergic reaction before.

她表示他以前从未有过过敏反应。

Allergic reactions are, essentially, exaggerated and inappropriate type-2 immune responses.

过敏反应本质上是夸张和不恰当的2型免疫反应。

The cause was put down to an allergic reaction to a painkiller.

原因归结于对止痛药的过敏。

We needed to determine if almonds had specifically caused this allergic reaction.

我们需要确定杏仁是否引起了这种过敏反应。

He was rushed there Sunday, showing symptoms of a severe allergic reaction.

他周日被急忙送往医院，表现出的症状是一种严重的过敏反应。

Health effects might include coughing, breathing diseases, allergic reactions, asthma and cancer.

对健康的影响可能包括导致咳嗽、呼吸系统疾病、过敏反应、哮喘和癌症。