2 Weeks Ago I Got A Really Bad Sunburn At

2 weeks ago I got a really bad sunburn at the beach all over my upper back and shoulders all of it has peeled except for a spot on my shoulder thats dry and red in the middle is what looks like part of the burn scabbed over my skin is usually pale the scab its a brownish colour its the only spot on my back that hasnt peeled should a wait to see if it heals further or would you suggest I get it checked out its besically the only part that hasnt healed it wont peel at all either