Bulldogs World

My female bulldog (will be 2 in September) has always had cronic frito feet. They stink like corn chips. We have taken her to the vet multiple times and tried just about everything suggested. The problem won't go away. I've been told it is a yeast problem on her feet and to try vinegar, betadine, and epsom salt. We bathe her with medicated shampoo that the vet gave us but nothing helps. We are now trying different foods as we can't think of any other cause. We have completely stopped all treats, clean her feet everytime she comes in from outside. We cannot be the only ones who have had this problem. Any suggestions?