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Summary Symptoms Read More Summary The most common injury to the nail is a bruise beneath the nail called a subungual hematoma. The bruise (hematoma) forms beneath the nail (subungual) when the nail is compressed or avulsed (pulled away) from...

Summary Symptoms Read More Summary Runner's nail, also known as walker's nail or jogger's nail, is a common injury sustained by sports enthusiasts. Most patients don't recall a direct incidence of trauma to the nail, but when questioned further, they...

Summary Symptoms Read More Treatment Guide Summary Onychomycosis refers to a fungal infection of the toe nail or finger nail. It is estimated that 50 million Americans suffer from onychomycosis. Onychomycosis causes the nail to become thick, yellow, and brittle....

Summary Hammer Toe Summary A mallet toe is a type of hammer toe. The term mallet toe comes from the way the distal tip of the toe hits, or hammers, on the floor with each step. Mallet toes differ from...

Summary Symptoms Read More Summary Lister corns are found on the inside and outside of the nail bed, typically on the 5th toe. Lister corns are often described by the patient as having a "second toe nail" on the toe....

Summary Onychomycosis Summary Fungus toe nail is also known as onychomycosis. Please follow the link to onychomycosis for more information on fungus toe nail. Internal reference only: ZoneD8, ZoneD9, ZoneL11, ZoneM9, ZoneM10

Summary Symptoms Read More Summary Friction between the foot and the floor is important in walking and running. Friction allows us to stand in place without slipping and to push off during the normal gait cycle. Each step we take...

Summary Hammer Toes Summary A claw toe is one of a number of different types of digital deformities of the foot collectively known as hammer toes. A claw toe can affect one toe individually or all of the toes concurrently....

Summary Symptoms Read More Treatment Guide Summary Athlete's foot is the layman's term used to describe two different fungal infections of the foot collectively known as tinea pedis. Acute and chronic athlete's foot are caused by two different types of...