Paw licking can be a minor nuisance or a symptom of a moderate to serious health problem. It's important to have your dog checked if your dog is persistently licking her paws. Here are some of the reasons this might be occurring:
1. Outside Allergy
Is the licking occurring when your dog comes in from the yard or back from a walk? He may have allergy to the grass or some other botanical cause.
If you have an older dog, it may be that he is suffering with arthritis. When a dog has paw pain, they may deal with it through licking.
3. Food Allergy
Sometimes a dog can be allergic to something in its food. If this licking just started at the time of a food change, try changing back to the old brand if possible. You may need to switch to a brand formulated especially for dogs with allergies.
To an extent some paw licking is normal. This is just a way to groom, keep them clean and pretty. Some breeds are more particular than others. There is a service provided for women's feet, they're called pedicures.
A dog has a webbing between it toes. Sometimes something may irritate this webbing. It may be some simple like a small stone, a splinter or a small cut.
The licking can actually become a psychological thing resulting from boredom. Make sure you dog is challenged physically and mentally.
If a dog's toenails get too long they may try to bite them or lick at her paws. Make sure to keep your dogs paws groomed, fur and nails.
Licking or biting at paws can cause the paws to become raw and sore, so don't let this go on too long before consulting with his vet.