Paronychia Paronychia.jpg Pronunciation /ˌpærəˈnɪkiə/ Classification and external resources Specialty Dermatology, emergency medicine ICD-10 L03.0 ICD-9-CM 681.02, 681.11 DiseasesDB 9663 MedlinePlus 001444 eMedicine derm/798 MeSH D010304 [edit on Wikidata] Paronychia is a nail disease that is an often-tender bacterial or fungal infection of the hand or foot where the nail and skin meet at the side or the base of a finger or toenail. The infection can start suddenly (acute paronychia) or gradually (chronic paronychia). Paronychia is commonly misapplied as a synonym for whitlow or felon. The term is from Greek: παρωνυχία from para, "around" and onukh-, "nail".
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