Poor Tibby, is he also a itchy miserable mess?
Not sure if coconut oil kills yeast...it does kill fungus & bacteria...is yeast a form of one or both?
Here's a good video on how to bathe your dog w/coconut oil.
Coconut Oil: The Kitchen Staple Perfect for Your Pet's Skin
I've also read an article by Dr. Becker that a yeasty dog should not be fed any sugary foods, like carbs. Because that is fuel for the yeast. I know Tibby is on a RX diet & that is almost impossible to avoid...