Why do dogs chew their nails?

Take him to a groomer to ensure his nails are trimmed correctly. Allergies to food or to grass, pollen and other outdoor allergens can make your dog itchy; and chewing on paws is a symptom. He may chew to cope or to relieve itching directly in the paw. Chewing on nails may help to relieve itchiness. read more

Anxiety or Boredom. Some people chew their nails out of anxiety, and some dogs also do the same. Whether because of separation anxiety or stress over certain events or his surroundings, your dog may take to chewing on his nails to relieve his nervousness. Your dog might take to chewing his nails out of boredom, too. read more

As with everything in a dog's world, there's a reason for his nail biting. read more

But nail biting for dogs is not typically a habit-like or anxiety associated behavior. It is usually a sign of a more physical illness. Some people assume that the paw licking and nail biting are a normal thing for their dog to do as part of cleaning herself, but this is not the case. read more