Xanax/Ambien/Seroquel Questions. Discussion in 'Hallucinatory Substances' started by dbtwiztid, Oct 30, 2009. Page 1 of 2.I recently had my ativans changed up to xanax with ambien as a backup. im getting 2 mg xanaxs, was previously being prescribed 3mg a night before with the ativans. what is...