I am by no means a doctor. But from what I've read, going cold-turkey off psychoactive meds is one of the stupidest things in the world you can do. Hopefully, her psych will set her straight. There's not much you can do, I guess, but keep your eyes wide open.
Sorry, man ....
"Show me a completely smooth operation and I'll show you someone who's covering mistakes. Real boats rock." -- Frank Herbert