Lesions (wounds) on the lips are fairly common in dogs and cats, especially playful puppies and kittens. They love to chew on things – anything, sharp objects included. The wounds can be quite serious (deep gashes or extensive electrical burns).
During the mating season male dogs tend to be more aggressive towards each other, and these confrontations often result in bite wounds on the lips.
In addition, wounds of the lips can be the result of thorns, grass seeds, fish hooks, etc.
As a result of these wounds, a bacterial invasion can take place and an infection can take root. But, even though this is true, I have to admit that most of the lip infections I have seen in
