Giannini A J, Price W A, Loiselle R H, Malone D W
J Toxicol Clin Toxicol. 1985;23(2-3):185-9. doi: 10.3109/15563658508990627.
Twenty white males who presented with psychosis were later found to have ingested PHP. Treatment with haloperidol 5 mg IM caused significant improvement while placebo treatment did not. Results of haloperidol treatment of PHP psychosis were similar to previously published reports with phencyclidine (PCP) psychosis.
