Return of the ear infection?

Damn, I feel like my ear infection may be returning. I thought it was a little soreness behind my ear perhaps from my new glasses, but I was skeptical about the little point of pain I had behind, but sort of in my ear. This evening, Saturday evening, it seems like it is getting a *little* more sore, but I am still not sure if it is the infection coming back (same ear), or if it isn't. I will see my doctor tomorrow. I am supposed to start taking the antibiotic on Tuesday to prepare for the biopsy (Wed.), but I think I should start taking it tomorrow (Sunday) perhaps. This may put off the biopsy if I have an ear infection again. I'm just not sure- it's not full blown, and I'm not even sure if it is developing or not. I will check it out tomorrow. Frustration...