I first rid a cat of ear mites using a mixture of olive oil and vitamin e back in 2004, following the advice in the book natural remedies for cats. Yesterday I noticed my cat had signs of mites. I cleaned the ear of debris and massaged in olive oil. Today I bought vitamin e and the yellow dock and gave him a dose of olive oil and then the yellow dock (9 drops in 1 TBS of water). We'll see if this works, but I bet it will. I treated the nonaffected ear yesterday, but not today. My cat is a little wary of me messing with his ears, so I'm focusing my efforts on his bad ear at this point!