I have a 12 year old Golden Retriever. She is constantly licking herself. and it is so severe now that she is loosing a excessive amont of hair , and making her skin bleed. The vet put her on a antihistamine(i Think) but the problem seems to be worse now . she has always licked a lot but not to the point of loosing her fur. has anyone expiernce with this problem. the vet wants to treat her with cortisone... please reply if yopu have any ideas... thanks jim