Taking antibiotics for plugged ears is like putting salt on an open wound. You don't have a bacterial infection, which antibiotics treat, but it sounds like you have a mucus problem, which could be from food sensitivities. I suggest visiting a naturopath and starting a yeast free , sugar free diet. Do you exercise? Is your life stress free? Do you live or work in a toxic environment? If you have access to the internet read up on Candida, this condition affects many women and has multiple systems. Good luck, with a little work your ears should be better.