What Should I Do For My Dog Who Is Poster Dog For Allergies?

Clovee is a pit/terrier mix. She is 6 years old. One of her allergies is to mold. I live in the mold capital. I would grow mold if I stood still long enough. Her symthyms include scratching, biting of self, rubbing hair off face, and excessive ear wax. I have paid thousands of dollars to [...]