Goodness Sandy,
You have been through so much and my heart aches for you... Yet you are a strong person to keep on fighting this battle!
My motto is if one's current protocol is not working after 6 months or so, it's time to look for a different protocol. I also believe that a person should become their own advocate, do their own research, and explore all the options out there (there are many).
I suggest reading 2 books:
Healing Lyme by Stephen Buhner: can be bought at Amazon (I also think Mr. Buhner has a website).
Beating Lyme Disease by Dr. Jernigan: He has a soft cover, hard cover and an E-Book than one can download. The only place I know to get this information is here:
http://www.hansacenter.com/books.php
Below is the link to the E-Book:
http://www.lulu.com/shop/david-a-jernigan/beating-lyme-disease-2nd-edition-ebook/ebook/product-15636293.html
When I bought his first book I was nervous about Dr. Jernigan being religious as I am not but that's me. Most of his book is not about religion but about chronic Lyme as Dr. J. suffered from it himself.
Are you detoxing? Most symptoms are caused from toxins, not lyme bacteria:
This is a great article below (6 pages):
http://findarticles.com/p/articles/mi_m0ISW/is_285/ai_n19170382/?tag=content;col1
Hang in there okay?
Denise