Oh God, I'm so sorry. I know what you mean, I panic easily when it comes to my little man too. These are just the worst and spread so fast. Keep this spray in mind when you go back to the vet. I know Panda's is more advanced, but on two occasions, it stopped it dead in it's tracks from growing. I'm sorry you have to go through this, and I know the snow isn't' helping matters at all. Plus, the prednisone is probably making her more thirsty, and making her have to go out to pee more. Thinking of your girl. Keep me posted.