I know when I was 14 and released from the hospital, my olanzapine dose was 25 mg/day, too. I had lots of challenging behaviors for most of my childhood up to that point, too, but they seemed to decrease after my olanzapine dose was jacked up early on in my stay in the hospital, and stayed decreased even when I went off of olanzapine.
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"You have a responsibility to consider all sides of a problem and a responsibility to make a judgment and a responsibility to care for all involved." --Ian Danskin