Hello, and welcome to the site! I had issues with sores, swelling, mucos, couldn't swallow, etc. I used the miracle mouthwash, and another one, don't remember the name of it, it was thicker and stronger. It numbed the mouth and throat so I could swallow.
I noticed you posted this as an update. If you will post this as a question it will be sent to people who can answer it for you. Just repost either in the questions tab at the top of the page, or from your own homepage, but be sure and click on "ask network".
Thanks for being here and thanks for posting.