Synonym for phenothiazine ... <pharmacology> A group of tranquilising medications with antipsychotic action, thought to act by blocking dopaminergic transmission in the brain. They are used to treat mental, nervous and emotional disorders. ... Examples include: chlorpromazine, fluphenazine, mesoridazine, perphenazine, prochlorperazine, promaz... Found on http://www.encyclo.co.uk/local/20973