Hi Smitho.
Have you ruled out B12 deficiency? Just a thought because your symptoms sound B12 related.
Neurological symptoms would mean it's pretty severe. Get a B12 test and a urinary MMA test, and don't supplement with B12 anywhere near the test it will falsely elevate the B12.
hth <img src="/ubbthreads/images/graemlins/byebye.gif" alt="" /> and hope you feel better real soon.

Veg