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Lhermitte's symptom

Authoring team

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

Reference

  1. Teoli D, Rocha Cabrero F, Smith T, Ghassemzadeh S. StatPearls [Internet] Treasure Island (FL): StatPearls Publishing; 2024. Lhermitte sign [updated 2023 Jul 21]

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