Barb
You are not the only member of that club. Trust me, it's not an exclusive club. I am a member too. That's why I am in a clinical trial.
That may not be much consolation for you right now, but it's the best I can do for you...that and lots of hugs and understanding.
I failed on Beta, beta and methotrexate, Ty and Copaxone.
Like Victor said, you aren't a failure, they have failed you. We aren't all made the same way. Keep trying, sooner or later, something will work for you.
Right now you need to focus on you and get some symptom relief. LDN might be a good choice. I would...