Definition of "perphenazine" [perphenazine]

• A crystalline compound, C21H26ClN3OS, used as a tranquilizer especially in the treatment of psychosis and to prevent or alleviate nausea and vomiting. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "To be fair to the members of that boot camp, I was in the process of switching from perphenazine to Abilify, a process I had begun only a few months before."
• "In the past two months, my psychiatrist has tried to wean me away from perphenazine, an anti-psychotic medication that can lead to tardive dyskinesia, an involuntary movement of the facial muscles."
• "In today's study, current use of quetiapine was associated with the highest risk of death, with a hazard ratio of 1·41 95% CI 1·09–1·82 compared with current use of perphenazine."