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Corns & Calluses
WHAT ARE CORNS & CALLUSES?
Corns and calluses are your body’s response to friction or pressure against the skin. If your foot rubs inside your shoe, the affected area of skin thickens. Or if a bone is not in the normal position, skin caught between bone and shoe or bone and ground builds up. In either case, the outer layer of skin thickens to protect the foot from unusual pressure. In many cases, corns and calluses look bad but are not harmful. However, more severe corns and calluses may become infected, destroy healthy tissue, or affect foot movement.
WHERE DO CORNS & CALLUSES FORM?
A corn or callus is a thickening of the outer layer of skin on your foot. Corns usually grow on top of the foot, often at a the joint. Calluses spread on the bottom of the foot or on the outer edge of a toe or the heel.
Corns can range from a slight thickening of skin to a painful , hard bump. They often form on top of buckled toe joints (hammer toes). If your toes curl under, corns may grow on the tips of the toes. You may also get a corn on the end of a toe if it rubs against your shoe. Corns can also grow between the first and second toes.
A callus may spread across the ball of your foot. This type of callus is usually due to a problem with a metatarsal. A pinch callus may grow along the outer edge of the heel or the big toe. Some calluses press up into the foot instead of spreading on the outside. A callus may form a central core or plug of tissue where pressure is greatest.
If your corns or calluses are mild, reducing friction may help. Different shoes, moleskin patches, or soft pads may be all the treatment you need. In more severe cases, treating tissue buildup may require your doctor’s care. Sometimes orthotics (custom made shoe inserts) are prescribed to reduce friction and pressure.
If you have corns, your doctor may suggest wearing shoes that have more toe room. This way, buckled joints are less likely to be pinched against the top of the shoe. If you have calluses, wearing a cushioned insole, arch support, or heel counter can help reduce friction.
VISIT YOUR DOCTOR
In some cases, your doctor may trim away the outer layers of skin that make up the corn or callus. For a painful corn, medication may be injected beneath the built up tissue.
Orthoses are specially made to meet the needs of your feet. They cushion calluses or divert pressure away from these problem areas. Worn as directed, orthotics help limit existing problems and prevent new ones from forming.
IF YOU NEED SURGERY.
If a bone or joint is out of place, certain parts of your foot may be under too much pressure. This can cause severe corns and calluses. In such cases, surgery is often the best way to correct the problem.
Dr. Ahmadi is a Board Certified Foot Surgeon and a Fellow of the American College of Foot and Ankle Surgeons. Dr. Ahamdi is a foot and ankle Doctor in Orange County with office in Mission Viejo and Santa Margarita, California.