Home » Ortho Related » Medications » TRIMEPRAZINE/TEMARIL TRIMEPRAZINE/TEMARIL September 26, 2020July 22, 2020 by Data Trace Editor - for pruritis associatted with allergic and nonallergic conditions; - acts as antihistamine of phenothiazine type; - Adult: 2.5mg PO qid PRN or 5mg PO q12hr sustained realease; - Note that extrapyrimidal effects may occur in the elderly