Schizophrenia Adult Initially 2 mg/day, may be increased to 4 mg/day on 2nd day. To be given once-bid. Max: 16 mg/day. Behavioural disturbances in patients w/ dementia Initially 0.25-0.5 mg bid, may be adjusted individually in 0.25 mg increments bid not more frequently than every other day.Conduct & disruptive behaviour disorders in childn Initially 0.25 mg bid, may be adjusted w/ 0.25 mg increments not more frequently than every other day. Elderly Initially 0.5 mg bid, may be adjusted w/ 0.5 mg bid increments to 1-2 mg bid.