- 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. John'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