Small-Fiber Polyneuropathy


Small-fiber polyneuropathy (SFPN) is known to be caused by specific medical conditions, some of which can be treated and can sometimes be cured.  SFPN is a type of peripheral neuropathy occurring from damage to the small unmyelinated (unprotected) peripheral nerve fibers in the human body.  These specific fibers are categorized as C fibers and are present in peripheral nerves, organs and human skin.

It is estimated that 15-20 million people in the United States suffer from some form of peripheral neuropathy.

A recent study into Fibromyalgia has shown that half of people suffering from Fibromyalgia have SFPN (

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