Define prochlorperazine. prochlorperazine synonyms, prochlorperazine pronunciation, prochlorperazine translation, English dictionary definition of prochlorperazine. n. A phenothiazine drug, C20H24ClN3S, used to treat schizophrenia and anxiety and to stop
Although phenothiazines cause neither psychic nor physical dependence, sudden discontinuation in long-term psychiatric patients may cause temporary symptoms, e.g., nausea and vomiting, dizziness, tremulousness. NOTE: There have been occasional reports of sudden death in patients receiving phenothiazines. ...