2 sentences

1. 什么时候食物中毒会引起皮疹了？

   shén​me shí​hou shí​wù zhòng​dú huì yǐn​qǐ pí​zhěn le?

   Since when does food poisoning cause a rash?

   Source: OpenSubtitles

2. 由于过敏，他的手臂上出现了红色的皮疹。

   yóu​yú guò​mǐn, tā de shǒu​bì shàng chū​xiàn le hóng​sè de pí​zhěn.

   A red rash appeared on his arm due to an allergy.

   Source: Dong Chinese Dictionary