Wartenberg's Migratory Sensory Neuropathy (also known as Wartenberg's Migrant Sensory Neuritis) (WMSN) is a rare condition identified by Robert Wartenberg in 1958 which is easy to confuse with the early stages of Multiple Sclerosis or Guillain-Barré syndrome. However this is a benign relapsing and remitting condition in which pain and subsequent loss of sensation in the distribution of individual cutaneous nerves is induced by movement of the limbs inducing stretch. The movements may be very small, and the periods of pain, dysaesthesia, and numbness can vary from almost instantaneous to chronic...