It’s important to be able to spot the difference in your dogs’ ‘new’ habits. When your dog continuously licks their feet, the causes for why it does that differs from why they chew on its feet.
If you notice that your dog is chewing just one paw, it could be a reaction to a physical problem such as an injury.
If the behavior coincides with a change of seasons, this offers a clue that an environmental allergen, such as pollen, mold, or mildew, might be triggering them.
Another possibility for your dog incessantly chewing at their feet could be because of a skin issue. There are numerous between-the-toes skin diseases that can cause a dog to chew at its feet.
Your pet might try to tell you that they are stressed by pushing their ears back, tucking their tail, salivating, yawning, licking their muzzle, or lifting their front paw.