According to old references used in the management of chronic schizophrenic psychoses.

Dosage 50 - 150mg/day.

Commercial Info Prokethazine Wyeth, USA: formerly tabs. 25mg and 50mg References Bronsky I: Carphenazine therapy of acutely psychotic patients in the psychiatric ward of a general hospital. Am J Psychiatry 121: 1203-1204, 1965. Chemical name 1-[10-[3-[4-(2-hydroxyethyl)-1-piperazinyl]-propyl]phenothiazin-2-yl]-1-propanone (hydrogen maleate).