DEAR DOCTOR: MY DOG IS TAKING THE PROBIOS DISPERSIBLE POWDER,

DEAR DOCTOR: MY DOG IS TAKING THE PROBIOS DISPERSIBLE POWDER, 1/4 TSP PER DAY FOR A MASSIVE YEAST INFECTION. THE SMELL IS ALL BUT GONE. STILL W ASHING EARS WITH SOME KIND OF FLUSH THE VET MADE. MY QUESTION IS HOW LONG SHOULD HE TAKE THE PROBIOS?A WEEK 2 WEEKS THANK YOU IN ADVANCE JAN PUSLOWSKI