SEROTONIN ANTAGONISTS By N., Sam M.S. - 7 These are the agents that oppose the action of serotonin that include cyproheptadine and methysergide. Also called serotonin inhibitors. SEROTONIN ANTAGONISTS: "The serotonin antagonists act as inhibitors." Related Psychology Terms Terms of Service ACT PSYCHOLOGY ANTIDEPRESSANTS BIOGENIC AMINES ENERGIZER (Antidepressant) AGENCY THEORY ANTIPARKINSONIAN AGENTS MENTAL RETARDATION (CAUSES) LEGAL PSYCHIATRY (Forensic Psychiatry) SEROTONIN-RECEPTOR AGONISTS Cite this page: N., Sam M.S., "SEROTONIN ANTAGONISTS," in PsychologyDictionary.org, April 13, 2013, https://psychologydictionary.org/serotonin-antagonists/ (accessed June 30, 2022).