Ozkardesler, SGurpinar, TAkan, MKoca, USankaya, HOlmez, TElar, Z2025-04-102025-04-100952-8180http://hdl.handle.net/20.500.14701/38798Serotonin syndrome occurs with selective serotonin reuptake inhibitors, opioids, and other serotonergic agents. We describe a possible serotonin syndrome related to intrathecal fentanyl in a patient taking multiple drugs and substances such as ergot alkaloids, marijuana, methylenedioxy-N-methylamphetamine, and ephedrine. (c) 2008 Elsevier Inc. All rights reserved.EnglishEditorial Material