Rash

I having rashes on my neck. It's sooooooooo itchy!!!!!! And I'm so tempted t scratch it!!! Bt mus resist, or else leave scar :(

Went t th doc jus now, I waited for 1.5h bt I went in for less than 5 min -.- Doc says it will take 2-3 days for it t go away. I HOPE SO TOO!!!!!! :(