There was some swelling when they brought me in.

我入院的时候 脑子里有些胀气。

And prescription medications with a steroid called Fluocinonide can make the canker sore heal faster and interact with your immune system to bring down swelling.

还有一种叫Fluocinonide的类固醇处方药可以加速愈合，并且通过对免疫系统的作用来达到消肿的目的。