Why do dogs lick human wounds?
Humans, dogs, as well as other species, will desire to quickly attend to their wounds. It is an instinct. When your dog licks a wound, there are healing capacities in their saliva and it can also help cleanse the area. They are natural healers when it comes to grooming and cleaning.
Is dog saliva good for human wounds?
Dog saliva is antibacterial, but it probably won’t heal wounds. Dogs often lick their wounds in order to clean them. There may be healing properties in a dog’s saliva, and this may be another reason that they lick their wounds.