Scott, my anxiety sounds to be quite a bit like yours. Some days are okay, some not, and anything outside of my normal routine is likely to cause anxiety. I tried two SSRI's (Paxil was one) and I had side-effects that for me, didn't work. They both caused restless leg syndrome, made me jumpy and seriously affected my sleep. I now take a Tricyclic anti-depressant which works for my depression, but does nothing for anxiety.
I hope you have good luck talking to the counselling center tomorrow.