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+1In any case, the best you can probably do for now is to keep an eye out for any developing bacterial infection ... and make sure you're prepared to treat one, should it arise.

Can't tell from pic but those are the bristles from the worm.Has its mouth always been like that? Not the fuzz but the white top lip. It looks like it has suffered trauma to the lip as it should be a vibrant yellow even if it has been got by a bristle worm. It looks like it's lost the lip earlier which can sometimes mean the end of the wrasse but I'm guessing it's still eating. If it was just a bristle worm problem you'd expect a hairy lip but not much else.
I agree the spot on the back looks like another problem that could be the beginnings of a bacterial issue.

