My silky terrier is going to be 19 in Nov this last year she weighed 14 lbs and still was georgous all of a s?

nd guide me thankyou so much sally One more thing she did weigh last year 14 lbs now she is really dropping weight 8 7 now down to 8lbs 1 0z and that was about three weeks ago when i took her to the vet . T oday i noticed a green looked like mold spot the size of a dime used the medicated shampoo on it seemed to help but her skin is getting paper thin also and last week she chewed a spot and made it bleed and oh course i doctored it .. feel so bad for her help abbiepoo2004@yahoo.com