I don't understand why he would give you 3 different medications? I don't understand why medications would benefit your therapy. If you honestly feel you don't want to take the meds then don't.
Years ago when I went to a doctor the first thing that came up was meds, I don't feel comfortable of taking them either. I had other issues with counselors and became frustrated and never went back. I am starting to see some one now, and I felt angry because of something she said to me, the following week I went back and I told her honestly how I felt of what she said. She apolized to me and everything is fine.
About you arguing a bit about the medication is good, I think when you go back ask why you need medication to benefit your therapy. Be open and honest with him.
I know people are on medication for anxiety because of this phobia and it works for them.
This is a good question for sage to answer!