Wellbutrin is not recommended for folks with a history of eating disorders. Also, welbutrin does not work by effecting the same neurotransmitters as SSRIs. Prozac and lexapro re-uptake serotonin. Wellbutrin doesnt touch serotonin---its effects are on dopamine and norepinephrine. Therefore it may not work for you.

Talk to your doctor about this--he may have other options for you.