Pain Agnosia, also known as analgesia, is related to marsili syndrome and episodic pain syndrome, familial, 1. An important gene associated with Pain Agnosia is OPRM1 (Opioid Receptor Mu 1), and among its related pathways/superpathways are Signal Transduction and GPCR downstream signalling. The drugs Prilocaine and Nalbuphine have been mentioned in the context of this disorder. Affiliated tissues include breast and brain, and related phenotypes are nervous system and homeostasis/metabolism