The best antidepressant for bipolar disorder is a mood stabilizer. That is to say, antidepressants should not be used to treat bipolar disorder, because they have a propensity to make the situation worse in patients with bipolar disorder. He offered you wellbutrin because it doesn't work the same way other antidepressants do. It sounds like you have a good doctor.

Antidepressants in Bipolar Disorder