It's been 5 days - opinions

So Its clearly too deep and I plan to go to the doctors tomorrow to have it looked at, but as I've said in title, 5 days and the angry red is worrying me, what are people's thoughts?

So Its clearly too deep and I plan to go to the doctors tomorrow to have it looked at, but as I've said in title, 5 days and the angry red is worrying me, what are people's thoughts?