4 sentences

1. 你可能得了过敏性皮疹。

   nǐ kě​néng dé le guò mǐn xìng pí​zhěn.

   You may have an allergic rash.

   Source: AI Challenger 2017

2. 她背上的皮疹每天都在好转。

   tā bèi shang de pí​zhěn měi​tiān dōu zài hǎo​zhuǎn.

   The rash on her back is improving every day.

   Source: CCMatrix

3. 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

4. 这种皮疹通常持续7-10天，但它可能来来去去。

   zhè​zhǒng pí​zhěn tōng​cháng chí​xù7-10 tiān, dàn tā kě​néng lái​lái​qù​qù.

   This rash usually lasts for 7–10 days, but it may come and go.

   Source: CCMatrix