La sarna es una infestación altamente contagiosa por el ácaro del picor humano. Este ácaro microscópico se mete en la piel y causa un sarpullido que pica mucho. La erupción generalmente aparece como pequeños bultos rojos rosados entre los dedos, en las muñecas y alrededor del ombligo.

Síntomas

Protuberancias rojas rosadas extremadamente picantes
A menudo ocurre alrededor del ombligo, entre los dedos y alrededor de la muñeca.
La picazón puede durar más que la erupción

Tratamiento

Si cree que tiene sarna, consulte a un dermatólogo. Se trata con un medicamento antiparasitario tópico llamado permetrina o un medicamento antiparasitario oral llamado ivermectina. Estos matan a los ácaros y sus huevos.

Su médico puede recetarle esteroides tópicos para ayudar con la picazón. La picazón puede durar varias semanas después de que el ácaro haya sido tratado (lo que se denomina dermatitis posescabésica).

Debido a que la sarna es tan contagiosa, lave toda su ropa y sábanas con agua caliente. Cualquier persona con la que viva también necesita tratamiento, ya que las personas pueden ser portadoras de sarna sin tener síntomas.

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Jeffrey M. Rothschild, MD, MPH.

Associate Professor of Medicine, Brigham and Women’s Hospital

Dr. Rothschild has been a faculty member at Brigham and Women’s Hospital where he is an Associate Professor of Medicine at Harvard Medical School. He currently practices as a hospitalist at Newton Wellesley Hospital. In 1978, Dr. Rothschild received his MD at the Medical College of Wisconsin and trained in internal medicine followed by a fellowship in critical care medicine. He also received an MP...

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