my yellow lab biting his paw and making it sore

Question
do can we do about this situation.

Answer
the vet needs to give some emds to put on the sore and likely bandage it and spray something awful tasting on teh bandage a simple vet trip will do alot...they will explian what ther edoing and how to treat and stop him from doing it again I've never had the prolbem but it seems common.