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phenothiazine

(Science: 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, promazine, thioridazine, trifluoperazine, thiopropazate and triflupromazine.

trifluoperazine binds to and inhibits calmodulin and has been used experimentally to block calcium or calmodulin controlled reactions.