Indifference to Pain, Congenital, Autosomal Recessive, also known as neuropathy, hereditary sensory and autonomic, type iid, is related to generalized epilepsy with febrile seizures plus, type 7 and neuropathy, hereditary sensory and autonomic, type iia. An important gene associated with Indifference to Pain, Congenital, Autosomal Recessive is SCN9A (Sodium Voltage-Gated Channel Alpha Subunit 9). The drugs Levobupivacaine and Ropivacaine have been mentioned in the context of this disorder. Affiliated tissues include spinal cord and tongue, and related phenotypes are pain insensitivity and intellectual disability