I'm assuming 'top herself off' means attempted suicide?
My advice: read, read, read, all you can get your hands on about both disorders. Preferably books written by authors who suffer from the diseases. I've read a few good ones, but their titles are escaping me right now. As soon as I have a chance, I'll do a search and edit this post.
Being there for her is the best non-chemical medicine there is. Good luck, and vent here as needed

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