SEROTONIN ANTAGONISTS By N., Pam M.S. - April 13, 2013 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 ANTIDEPRESSANTS SEROTONIN-RECEPTOR AGONISTS METHYSERGIDE APPETITE SUPPRESSANTS ANTIPARKINSONIAN AGENTS TRIPTANS AZASPIRONES SEROTONIN SYNDROME FLUOXETINE CELEXA Cite this page: N., Pam M.S., "SEROTONIN ANTAGONISTS," in PsychologyDictionary.org, April 13, 2013, https://psychologydictionary.org/serotonin-antagonists/ (accessed November 12, 2019).