I would seek the opinion of another vet. I had to switch vets three times before I was happy when my cat Sydney was diagnosed with cancer. You can always do research yourself, but you are going to need a vet's help.

A website I used for research when my turtle and cats have become sick is:

http://pet.justanswer.com/


You type in your concern/question (use as much detail as you can) and then for a small price a veterinarian will answer your quesiton. You dont pay them untill you are satisfied with the answer. You basically go back and forth as much as you want. I was given some helpful information on my turtle.