Here are some of the reasons for dog licking: 1. Something hurts. This is not always something obvious, like the burr between his toes. It can be because of inflammation or infection in the skin, arthritis pain in a joint, or even a tingling or numb sensation for a nerve problem. 2.
Licking is an instinctive behavior for a dog. When they were puppies their mother groomed them by licking and it provided them comfort. Puppies will also lick each other and their mom.
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why do dogs constantly lick
