title: Drug-Related Eyelid Nystagmus: Two Cases of a Rare Clinical Phenomenon Related to Carbamazepine and Derivatives.
abstract: BACKGROUND
  Eyelid nystagmus is a rare clinical phenomenon described mostly related to brainstem or cerebellum lesions. The mechanism of this phenomenon is incompletely understood.
  
  
  METHODS
  We report 2 cases of eyelid nystagmus induced by carbamazepine and oxcarbazepine intoxication.
  
  
  CONCLUSIONS
  Carbamazepine and derivatives may induce eyelid nystagmus in the setting of acute intoxication. To the best of our knowledge, these are the first cases of drug-related eyelid nystagmus.
authors.affiliation: *Department of Neurology, University Hospital "12 de Octubre"; †Fundación de Investigación "i+12"; ‡Department of Neurology, Hospital del Tajo, Aranjuez; §Department of Medicine, Faculty of Medicine, Complutense University; and ∥Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED),Madrid, Spain.
authors.forename: Michele
authors.initials: M
authors.lastname: Matarazzo
authors.forename: Victoria
authors.initials: V
authors.lastname: Galán Sánchez-Seco
authors.forename: Antonio José
authors.initials: AJ
authors.lastname: Méndez-Guerrero
authors.forename: David
authors.initials: D
authors.lastname: Gata-Maya
authors.forename: Ángela
authors.initials: Á
authors.lastname: Domingo-Santos
authors.forename: Juan
authors.initials: J
authors.lastname: Ruiz-Morales
authors.forename: Julián
authors.initials: J
authors.lastname: Benito-León
mesh_terms: D000368:Aged; D000927:Anticonvulsants / Q000009:adverse effects*; D002220:Carbamazepine / Q000009:adverse effects*; D004827:Epilepsy / Q000188:drug therapy; D005260:Female; D006801:Humans; D008875:Middle Aged; D009759:Nystagmus, Pathologic / Q000139:chemically induced*
chemical_list: D000927:Anticonvulsants; D002220:Carbamazepine