Yeast infections - now there is something I know all about! (my dogs of course!) My golden Meli gets them CONSTANTLY!! Im talking we've been to the vet atleast 30 times in her life.. if not more. Here's what works for her now. We finally put her on Claritin. The human kind (but we got the generic pills called Loratidine at Sams Club) Name brand Claritin is about a buck a pill. The generic you get like 100 for 10 bucks. Anyway, she is 80 pounds and gets 1 1/2 pills a day. Between that and cleaning ears alot she has cleared up. Another thing that helps is to put yogurt in their food and apple cider vinegar in the water. Not much - just a quick pour. (I know Im so technical here!) Start out small or they may not drink it. That does wonders! And watch out for the paws. If the yeast is in the ears, when they scratch with their paws it will transfer to the pads of their paws. If she starts chewing her paws... its there. You can also tell when it is getting bad beacuse it will smell. Trust me, you'll know. You walk in the house and say "Dangit - its back!) Did the vet smell his easrs? You can do it yourself, and the ear will be red. How old is your little man? Meli's infections didnt stat until she was about 2 and then they were constant. Anyway, hope this helps! Give your man a hug for me!