Major tranquilizer of the butyrophenone class that has proved effective in the management of acute psychotic episodes.
has pharmacological properties similar to those of the phenothiazine class of drugs (Thorazine)
Has weak anticholinergic properties
Peak: 10-20 mins
Half Life: 3-35 hours
Use with caution in patients taking anticoagulants
Diphenhydramine / benadryl should be available
Few incidents of reported prolonged QT intervals that did produce some cases of torsades de pointes, much higher doses than used in prehospital care.
Nausea / Vomiting
use with caution in patients taking lithium, because irreversible brain damage has been reported.