Forti Flora has very few strains of different probiotics and when you need to get yeast under control, using as many strains as possible is better. Swansons has a really good probiotic called Dr. Langers and it has a really nice price tag too. You pay a lot more when it is marketed to pets, but human probiotics are good for pets too.
Carbs in the diet feed yeast so getting your dog on a low carb diet is important, but you may need to switch over a month or so instead of the usual week or so. I highly recommend Brothers Complete for dogs with yeast problems. Their foods were specifically designed for dogs with these types of problems.
