Hey there...
Tough situation...
And MG gave you good advice... ;o)
Nothing like trying to shut the barn door after the horse is gone.
This link is to a bipolar site that lists all the symptoms and behaviors of the condition.
http://www.nimh.nih.gov/Publicat/bipolar.cfm
If she is self medicating... then that just adds to the craziness.
As well..
you saying she has never been this bad ....
Conditions such as this are cyclic... and they can and do escalate...
We can get sicker as time goes on.. and the crap just builds on crap.
Yes.. one day we can love.. and the next day we would love to rip your head up and put it you know where... and smile while we do it.
I strongly suggest you take steps to protect yourself and your son.. in spite of the love and hope you hold for her.
Cause.. right now... her disease is running the show...
Praying for intervention for you.