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Vol. 99. Issue 5.
Pages 407-410 (June - July 2008)
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Vol. 99. Issue 5.
Pages 407-410 (June - July 2008)
Case reports
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Allergic Contact Dermatitis From Lidocaine in Ear Drops
Eccema Alérgico de Contacto Por Lidocaína Contenida en Unas Gotas Óticas
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E. Gómez-de la Fuentea,
Corresponding author
egomezf@fhalcorcon.es

Correspondence: Unidad de Dermatología, Fundación Hospital Alcorcón, C/ Budapest, 1 28922 Alcorcón, Madrid, Spain.
, A. Rosadob, J.G. Álvareza, F.J. Vicentea
a Unidad de Dermatología, Fundación Hospital Alcorcón, Alcorcón, Madrid, Spain
b Unidad de Alergia, Fundación Hospital Alcorcón, Alcorcón, Madrid, Spain
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Abstract

Lidocaine is one of the most widely used local anesthetics. It can be administered topically or parenterally. Allergic contact dermatitis from lidocaine is uncommon, but an increasing number of cases have been reported in recent years. We present the case of a 66-year-old man who presented with acute dermatitis on the pinna and left cheek after applying ear drops. Patch tests were positive for the product itself and for lidocaine in the ear drops, thereby confirming the diagnosis of contact dermatitis from lidocaine.

Key words:
allergic contact dermatitis
lidocaine
patch tests
Resumen

La lidocaína es uno de los anestésicos locales más ampliamente utilizado, pudiéndose administrar de forma tópica o parenteral. Los eccemas alérgicos de contacto a la lidocaína son poco frecuentes, pero en los últimos años se están incrementando. Exponemos el caso de un varón de 66 años que presentó un eccema agudo en el pabellón auricular y la mejilla izquierda tras la aplicación de unas gotas óticas. Las pruebas epicutáneas fueron positivas para el producto «tal cual» y para la lidocaína contenida en dichas gotas óticas, confirmándose el diagnóstico de eccema alérgico de contacto por lidocaína.

Palabras clave:
eccema alérgico de contacto
lidocaína
pruebas epicutáneas
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Copyright © 2008. Academia Española de Dermatología y Venereología and Elsevier España, S.L.
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