Best way to prevent scabs/scarring?

Treating anxiety is different from preventing you from bad scabbing that caused bad scar. I think you need first to consider the reasons of your scabbing. Sometimes it is due to some bacterial or fungus related reasons. If your place has plenty of trees and plants and animals that tiny forms of bacteria or fungus are released in the air caused scabies, you need to have a regular environment treatment so you prevent the cause of scabbing. Your anxieties sometimes are in the mind. Since you already treated the cause, it will surely give you more secure and protected environment and there will be no fears of having this thinking of an attack. You are too sensitive especially your skin, that is why there is that premonition of yours in this anxiety attacks.