- Subject has taken non-triptan serotonergic drugs including selective serotonin reuptake inhibitors (SSRIs), serotonin and norepinephrine reuptake inhibitors (SNRIs, including Wellbutrin), tricyclic antidepressants (TCAs), monoamine oxidase inhibitors (MAOIs) or preparations containing St. Joh's Wort within 1 month prior to screening and/or is planning to start any of these medications during the study and through the End of Study visit.