hi my staffie as the same problem licking and biteing his paws until he makes them bleed sometimes,iv had steroids and shampoo stuff for his feet and it doesnt seem to do ought,but what iv started to notice is it seems to start around march time and it goes on for maybe 2 or 3 months then it stops,I dont know what breed of dog you have but staffies are known for it sorry I couldnt of been more help,someone once told us to put some mustard or something like that on and they dont like it.