trimeprazine tartrate

A phenothiazine compound related chemically and pharmacologically to promazine but with a more pronounced histamine-antagonizing action; used for the symptomatic relief of pruritus.

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tri·mep·ra·zine tar·trate (tri-mepґrə-zēn) [USP] a phenothiazine derivative having mild central nervous system depressant, moderate antiemetic and anticonvulsant properties, and powerful antihistaminic actions; used as an antipruritic, administered orally.