Lamotrigine
"I have been on various antidepressants and benzo's for 25 years due to depression (bipolar II) and anxiety.  Lamictal has changed my life.  The depression lifted and the anxiety went away.  I dropped the Xanax and Prozac and feel unbelievably well on 300mg of just lamictal.  I've felt this way for two years so far.  I wish I had found it years ago.  I do think that the Prozac and Xanax were causing anxiety/depression/exhaustion.  I'm doing fantastic on the lamictal alone."