TM can be triggered by many diseases including viruses, bacterial infection, MS, lupus or the cause may be unknown and called ideopathic
TM. However, people who develop a single attack of
TM have a greater chance of developing MS, somewhere between 15-80%.
DId your neurologist do MRI's of your head and spinal cord to see if MS type lesions where present? Did he order a lumbar puncture to analyze your CSF to rule out/in infection as the possible cause of your TM?