bipolar disorde
"Worst medication I've ever taken.  I was put on this when my insurance stopped covering Seroquel XR.  I became extremely agitated, irritable, and experienced what could be described as mania.  I almost lost my job because I could not control myself from verbally ripping into a customer.  I also almost punched a hole in a wall.  I had to call an emergency meeting with my psychiatrist after only a week to take me off of it, at which time I returned to normal.

To add, my coworker was put on this for Tourettes, and her symptoms were worsened and she experienced similar manic symptoms."