My sis has been on that combo before. It worked well for her. She was on Prozac first and her doc added Wellbutrin to give her a bit more energy and help her diminished libido.

My doc added Wellbutrin to my Celexa a couple of years ago and it helped to cut down on some of the lethargy I was getting from the Celexa.

I think it's quite common for Wellbutrin to be combined with an SSRI.