Toxic psychosis due to chloroquine--not uncommon in children.
 Toxic psychosis due to Chloroquine is a relatively uncommon occurrence in childhood.
 This entity must be kept in differential diagnosis in a case of unexplained psychosis, before resorting to a sophisticated array of detailed investigations.
 The purpose of this is to familiarize pediatricians with this relatively uncommon entity.
 The authors encountered four cases of psychosis with a wide variety of symptomatology over a period of the past 18 months.
