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Diseases & Conditions

Blisters

Three of the more common skin conditions that people experience are blisters, corns, and calluses.

A blister is a shell on the skin surface that often contains a clear liquid. Blisters can form when the skin is repeatedly rubbed; for instance, when your shoes keep rubbing the same spot on your foot, when you wear shoes that don’t fit properly, or when you wear shoes without socks. Blisters can become infected.

A corn is a build-up of hard skin near a bony area of a toe or between toes. Corns may be caused by pressure from shoes that rub against the toes or cause friction between the toes.

A callus is a build-up of hard skin, usually on the underside of the foot. Calluses are caused by an uneven distribution of weight, generally on the bottom of the forefoot or heel. Calluses also can be caused by improperly fitting shoes or by a skin abnormality. It’s normal to have some calluses on the soles of your feet.

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