What is the pathogenesis of paronychia?

Updated: Oct 09, 2020
  • Author: Elizabeth M Billingsley, MD; Chief Editor: William D James, MD  more...
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Paronychia, whether acute or chronic, results from a breakdown of the protective barrier between the nail and the nail fold. The occurrence of cracks, fissures, or trauma allowing organisms to enter the moist nail crevice leads to bacterial or fungal (yeast or mold) colonization of the area. [9] Early in the course of this disease process (< 24 h), cellulitis alone may be present. An abscess can form if the infection does not resolve quickly.

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