Am J Psychiatry 1986; 143:232-234
Copyright © 1986 by American Psychiatric Association
Relationship between age and incidence of parkinsonism in psychiatric patients treated with haloperidol
P Moleman, G Janzen, BA von Bargen, EJ Kappers, L Pepplinkhuizen and PI Schmitz
In a retrospective follow-up study of 230 psychotic patients treated with
haloperidol, the incidence of parkinsonian side effects was greater in
patients under 40 than in patients 40 years of age or older.