Lhermitte's symptom

Last reviewed 12/2020

Lhermitte's symptom is that of an electrical sensation in the spine or limbs on neck flexion.

It is often a symptom of a demyelinating condition such as multiple sclerosis.

Rarely, it is also seen in:

  • myelopathy from cervical spondylosis
  • vitamin B12 deficiency
  • following a whiplash injury