>>1309253Clean it out, use iodine or hypocloride acid solution.
You'd need to clean it properly, trim the bloated skin, and clean it again after before sealing it in blisters bandaid.
Use the breathable ones.
It'll hurt like a bitch but treated properly it'll seal itself after few days. If you don't, it won't heal.
I use this one, just search your asian market or so (I'm here in australia) and it works on most cuts and bruises, fast.