My baby has had a rough month ear infection, hand foot and mouth now the pediatrician is saying it…

My baby has had a rough month ear infection, hand foot and mouth now the pediatrician is saying it might be something with his ear canal because they believe its a ear infections. They keep saying I think... like really I'm so mad! My baby has had fever on and off for a month. If he doesn't get better with these antibiotics it's time to take him to the er I'm tired of all this bs!