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I have tingling in my foot - unilateral - which comes and goes - and has been with me since 2012 but significantly worse, as in every day occurrences now. I also have numbness in that foot especially where foot joins ankle and I catch my left foot. I have had optic neuritis and have nonspecific brain lesions. I am being told I should have a spinal injection at L4/5 (no back pain, no radiating pain but bulging disc at L4) as diagnostic measure. The tingling increases and extends with heat. After a long hot shower the entire leg tingles and feels weak. With the numbness a three inch laceration showed no reaction at all to application of rubbing alcohol - no pain. Do I go with the L4/5 spinal block or request new spinal mris (dated by 3 years)? I do not think this is sciatica because I have no back pain and some nonspecific brain lesions. How to proceed? Thank you.
Unfortunately, we cant give specific advise for how to manage this situation, but in general it would be highly unusual for someone to have a sensory loss from a compressed nerve, but no pain.
Benjamin M. Greenberg, MD, MHS
Vice Chair of Translational Research and Ambulatory Care
Department of Neurology and Neurotherapeutics
Director, Transverse Myelitis, Neuromyelitis Optica Programs
Co-Director, Pediatric CONQUER Program
UT Southwestern Medical Center
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