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Urticaria - vista de cerca La urticaria se manifiesta cuando hay liberacion de histamina en los pequenos vasos sanguineos o capilares. Al dilatarse estos se forma una roncha y sale liquido hacia el tejido circundante, causando hinchazon. La histamina tambien produce un intenso prurito.

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| Fecha de revision: 10/23/2006 Version en ingles revisada por: Kevin Berman, MD, PhD, Associate, Atlanta Center for Dermatologic Disease, Atlanta, GA. Review provided by VeriMed Healthcare Network. Traduccion y localizacion realizada por: DrTango, Inc. |
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