Welcome Gram1-there is a forum for parents with older children. You might find that a good place as well here. Welcome and please share. Many of us could use the help.
If she is bipolar, like birthmom (and bipolar is hereditary) a mood stabilizer would probably work better than an antidepressant. Is she seeing a good adolescent psychiatrist?
I'm so sorry you are going through this and...hugs.
