I'm 58 now, and around 50 started having electrical shocks, tingling, numbness and burning in feet. Has progressed to the "hug," a couple episodes of vertigo, increasing spasticity in feet, some continence issues (hard to tell as I also have Crohn's) and and some gait change. Head, cervical and thoracic MRI all WNL, evoked potentials and other exams normal (some thinning of retina) . . . and my diagnosis right now is transverse myelitis.
I hope you get some answers and relief . . .

. . . and welcome to the forum.