Paronychia is a topic covered in the 5-Minute Emergency Consult.

To view the entire topic, please or purchase a subscription.

Emergency Central is a collection of disease, drug, and test information including 5-Minute Emergency Medicine Consult, Davis’s Drug, McGraw-Hill Medical’s Diagnosaurus®, Pocket Guide to Diagnostic Tests, and MEDLINE Journals created for emergency medicine professionals. Explore these free sample topics:

Emergency Central

-- The first section of this topic is shown below --



  • Disruption of the seal between the nail plate and the nail fold may allow entry of bacteria into the eponychial space.
  • Inflammation of the nail folds surrounding the nail plate


  • Acute paronychia: Predominantly Staphylococcus aureus but also streptococci, Pseudomonas, and anaerobes
  • Chronic paronychia: Multifactorial due to allergens and irritants in addition to fungal etiologies, predominantly Candida albicans, which commonly coexist with Staphylococcus species

-- To view the remaining sections of this topic, please or purchase a subscription --