spot

Hello everyone! Having checked the similar posts I'm still unsure if this is a burn, which I first suspected to be. The spot appeared yesterday out of the blue. But today it's kinda peeling off and I noticed 2 other smaller spots on the back. My other guess is allergy or maybe even skin fungal...

I noticed this spot on my cat about a week ago now, it's not really changed. I was wondering if anyone knows what this could be?

Found a small rash spot Nymphadora’s head, right behind her ear. The spot, which appeared randomly, is discolored and seems to be growing slightly everyday. She doesn’t seem to react when i touch the rash spot, but i’m still concerned as to what it is and if it is something that summons a vet...