for 9 mos I have had minor irritating tingling in bottom of my left foot. a little more now in my left leg, not really localized anwhere. Also my face and head has the occasional very irritating tingling feeling or like itching uinder the surface of my skin and inmy ears. I have had exam with neuro and now waiting for a spinal MRI. The tingling in my face and head is very strange - anyone experience a similar feeling?