Sodium Channelopathy-Related Small Fiber Neuropathy is related to diabetic polyneuropathy and trigeminal neuralgia. An important gene associated with Sodium Channelopathy-Related Small Fiber Neuropathy is SCN10A (Sodium Voltage-Gated Channel Alpha Subunit 10), and among its related pathways/superpathways are Nervous system development and Activation of cAMP-Dependent PKA.