Finger Infection

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Media file 2: A herpetic whitlow. Image courtesy of Glen Vaughn, MD.

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Media file 3: A moderate paronychia. Swelling and redness around the edge of the nail is caused by a large pus collection under the skin. Image courtesy of Christina L Kukula, DO.

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Media file 4: Drainage of pus from a paronychia. Image courtesy of Glen Vaughn, MD.

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Media file 5: A paronychia can progress to a felon if left untreated. Image courtesy of A paronychia can progress to a felon if left untreated. Image courtesy of Glen Vaughn, MD.

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Media file 6: Anatomy of the fingernail. Top - The normal fingernail. Bottom - Nail bed laceration with subungual hematoma.

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Synonyms and Keywords

paronychia, hangnail, onychia lateralis, onychia periungualis, felon, whitlow, herpetic whitlow, cellulitis, flexor tenosynovitis, pyogenic flexor tenosynovitis, tendosynovitis, deep space infections, collar button abscess, finger injury, finger infection, onychomycosis