A. Excessive licking can have many causes, such as parasites (fleas, mites), bacterial infection, joint pain, arthritis, allergies, boredom and anything irritating the leg. Unfortunately licking can be habit forming as well. You need to take your dog to a vet to rule out physical causes and parasites. Your vet will likely prescribe antibiotics if the skin appears raw, and possibly something to relieve the itch,. Your dog will have to wear an e-collar, and if you have one at home, it is a good idea to put it on now, even before the vet visit.
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