Pain Disorder, also known as pain, is related to paroxysmal extreme pain disorder and patellofemoral pain syndrome. An important gene associated with Pain Disorder is HFE (Homeostatic Iron Regulator), and among its related pathways/superpathways are Cardiac conduction and G-Beta Gamma Signaling. The drugs Dinoprostone and Ibuprofen have been mentioned in the context of this disorder. Affiliated tissues include spinal cord and dorsal root ganglion, and related phenotypes are nervous system and homeostasis/metabolism