Quote:
Originally Posted by concretegurl  Yeast infection-but take him the vet to be sure, then try feeding Yogurt regularly with live cultures...my mini schnauzer had a yeast infection in here ears...I learned all about ear plucking after that... |
This.
Or ear mites.
The drops from the vet will have him feeling better in 24 hours and within a couple days totally cured.
My last dog got it from eating beneful. Once we switched he never got it again.