Hmmm, I see BillWeasleyBeast's point ... my sister had a hard time as a child, and family therapy was suggested. My mom stormed out.
I know, in the US anyway, manic-depression is getting diagnosed (and treated ) in record numbers now, despite the drugs not having been tested on kids, and there being no dosage protocol, etc etc. Children react very differently than adults to some drugs, ritalin being a clear example of this ...