3 sentences

1. 看看是否有过敏反应。

   kàn​kan shì​fǒu yǒu guò​mǐn fǎn​yìng.

   See if there's an allergic reaction.

   Source: OpenSubtitles

2. 那不是过敏反应。

   nà bù shì guò​mǐn fǎn​yìng.

   That wasn't an allergic reaction.

   Source: OpenSubtitles

3. 这种药物可能会引起过敏反应。

   zhè zhǒng yào​wù kě​néng huì yǐn​qǐ guò​mǐn fǎn​yìng.

   This medication might cause an allergic reaction.

   Source: Dong Chinese Dictionary