Nail InjuriesMedical Author:
Allison Harvey, MD
Medical Editor:
Melissa Conrad Stöppler, MD, Chief Medical Editor
Melissa Conrad Stöppler, MD, Chief Medical EditorMelissa Conrad Stöppler, MD, is a U.S. board-certified Anatomic Pathologist with subspecialty training in the fields of Experimental and Molecular Pathology. Dr. Stöppler's educational background includes a BA with Highest Distinction from the University of Virginia and an MD from the University of North Carolina. She completed residency training in Anatomic Pathology at Georgetown University followed by subspecialty fellowship training in molecular diagnostics and experimental pathology.
Nail Injuries OverviewThe fingernail is an important part of fingertip function. It provides support for the finger pad and improves sensation. The toenail functions in a similar manner in the foot. Injuries to the nail can range from a bruise under the nail to separation of the nail from the nail bed. They can be complex wounds to repair. Permanent deformity to the nail can result, even after proper repair. The nail is a complex structure involving three different layers.
Viewer Comments & ReviewsNail Injuries - CausesThe eMedicineHealth physician editors ask:What was the cause of your nail injury? |
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Nail Injuries
Onychomycosis Overview
Onychomycosis is a fungal infection of the toenails or fingernails. Onychomycosis causes fingernails or toenails to thicken, discolor, disfigure, and split. At first, onychomycosis appears to be only a cosmetic concern. Without treatment, however, the toenails can become so thick that they press against the inside of the shoes, causing pressure, irritation, and pain. Fingernail infection may cause psychological, social, or employment-related problems.
Half of all nail disorders are caused by onychomycosis, and it is the most common nail disease in adults. Toenails are much more likely to be infected than fingernails. The incidence of onychomycosis has been increasing and is related to diabetes, a suppressed immune system, and increasing age. Adults are 30 times more likely to have onychomycosis than children. In fact, only 2.6% of children younger than 18 years are reported to have onychomycosis, but as many as 90% of elderly people have o...
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Hand, Finger Nail and Tip Injuries »
As the terminal extension of the fingers and hand, the fingertips are the portions of the upper extremity through which we touch, feel, write, draw, and perform activities of daily living.
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