Trying a bunch of different meds is pretty much par for the course...I would be willing to bet that in your case (like mine) the antidepressants are the cause of your problems. It seems counterintuitive, but in many folks AD's wind up having the opposite effect, making you cycle into depression. that's probably why you were switched off the lithium...you were takinig it with antidepressants that kept you cycling...the doctor thinks it isn't doing the job, when it's the AD's that kept you sick. Perhaps you could try lithium, Geodon and/or Abilify in some combination if things don't get better in a few weeks.
I know I sound like a broken record on this, but there is research to back it up, and it has sure proved to work in my own case.
Here is a link to an article by Dr. Nassir Ghaemi of Harvard on the topic:
http://www.ncbi.nlm.nih.gov/entrez/q..._uids=14636365
and one to an article by Dr. Jim Phelps:
http://www.psycheducation.org/bipolar/controversy.htm
Hope you're up for a little "light reading!"
DJ