Akathisia, Drug-InducedPsychomotor AgitationDyskinesia, Drug-InducedSyndromeAntipsychotic AgentsMetoclopramideBasal Ganglia DiseasesParkinson Disease, SecondaryDiphenhydramineAffective Disorders, PsychoticDibenzothiazepinesBenzodiazepinesMovement DisordersSchizophreniaCholinergic AntagonistsDown SyndromeDiagnostic ErrorsMetabolic Syndrome XNeurologic Examination