syndromic disease complex regional pain syndrome complex regional pain syndrome type 2 https://www.malacards.org/card/causalgia MedDRA:10007825 MEDGEN:2918 UMLS:C0007462 DOID:3222 CRPS II GARD:0019727 Orphanet:99994 Complex regional pain syndrome II MESH:D002422 SCTID:408751001 NCIT:C121572 MedDRA:10064335 MONDO:0020572 EFO:1000854 causalgia Complex regional pain syndrome type 2 (CRPS2), or causalgia is a form of complex regional pain syndrome that develops after damage to a peripheral nerve and is characterized by spontaneous pain, allodynia and hyperalgesia, not necessarily limited to the territory of the injured nerve, as well as at some point, edema, changes in skin blood flow or sudomotor dysfunction in the pain area.