Q. Licking her feet and chewing raw spots on tail and front leg
DESTINI R. HOLLOWAY, DVM
A. Itchy skin and especially feet are a tell-tale sign of potential food allergies. Food allergies are very difficult to manage because they take a limited ingredient diet that is very restricted.
1 good over the counter limited ingredient diet that I've found is the Zignature Zssentials dog food http://zignature.com/?page_id=333
The key is to select a novel protein (something your pet has never had before) and keep them on that for 3 months time. This food trial should be regulated by your veterinarian so that you are fully aware of your expectations going in.
If there are raw spots on her tail and front leg, there is a good chance she has a secondary bacterial infection from all the licking and chewing and needs to see a vet for oral antibiotics.
I would also recommend, if you don't already have, to apply a good flea/tick preventative to her monthly so that potential flea allergy's don't complicate her diagnosis. Good luck!