- Use of monoamine oxidase inhibitors (MAOIs) within prior 14 days. Treatment with tricyclic antidepressants, antipsychotics, sapropterin, selective serotonin reuptake inhibitors (SSRIs), pimozide, benzodiazepines, amantadine, methylphenidate, dopamine-agonists or neuroleptic drugs when inclusion or the month before.