Why Do Dogs Lick Other Dogs Sores. Sympathy for the other dog. Dogs have the uncanny ability to detect infection and other problems well before a human can. Dogs who are already friends will also trade smooches. Excessive licking can lead to irritation paving the way for hot.
This would be more likely if your dog does it more when your other dog is aggressive and if your dog shows other submissive gestures around your other dog. The reason is that the dog licking releases feel-good hormones called endorphins. They give each other dog kisses in displays of affection and friendship. Not only do dogs sniff and smell things out of curiosity they taste and paw at things out of curiosity. This is how they get to know each other its actually a good sign that they are getting along. Dogs who are already friends will also trade smooches.
Once the habit starts its hard to break.
When dogs lick their own wounds sometimes it can be because they want to tear open their stitches or the wound is bothering them. Sympathy for the other dog. Dogs have anal glands also known as scent glands that are on each side of their rectum. I compare dogs with these sores lick granulomas to children who suck their thumb. This would be more likely if your dog does it more when your other dog is aggressive and if your dog shows other submissive gestures around your other dog. While this is considered a pretty normal dog interaction make sure to keep an eye on them to ensure that neither dog is getting upset about the interaction.