PRL and psychotic disorder: The patient was a 32-year-old woman who developed psychosis after being prescribed cabergoline. Cabergoline was discontinued and aripiprazole was started at 10 mg/day. Prolactin continued to decrease on this regimen. The aripiprazole dosage was decreased to 2 mg/day, and psychosis re-emerged, so it was increased back to 10 mg/day.