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Alternative namesHallux valgus
DefinitionA bunion is when your big toe points toward the second toe. This causes a bump on the edge of your foot, at the joint of your big toe.
Causes, incidence, and risk factors
Bunions are often caused by narrow-toed, high-heeled shoes. These compress the big toe and push it toward the second toe. The condition may become painful as extra bone and a fluid-filled sac grow at the base of the big toe. This leads to swelling and pain. Bunions occur more frequently in women and sometimes run in families.
Signs and tests
A doctor can usually diagnose a bunion by looking at it. A foot x-ray can show an abnormal angle between the big toe and the foot and, in some cases, arthritis.
When a bunion first begins to develop, take good care of your feet and wear wide-toed shoes. This often solves the problem and prevents the need for any further treatment. It may help to wear felt or foam pads on the foot to protect the bunion, or devices to separate the first and second toes at night. These are available at drugstores. You can also try cutting a hole in a pair of old, comfortable shoes to wear around the house.
If the bunion gets worse -- resulting in severe deformity or pain -- surgery to realign the toe and remove the bony bump ( bunionectomy ) can be effective. There are over 100 different surgical techniques that have been described to treat this condition.
The outlook depends on your age and activities, and the severity of the bunion. Teenagers may have more trouble treating a bunion than adults. Many adults do well by caring for the bunion when it first starts to develop, and wearing different shoes. Surgery reduces the pain in many, but not all, people with bunions.
Calling your health care provider
Call for an appointment with your doctor if the bunion:
Avoid compressing the toes of your foot with narrow, poor-fitting shoes.
Update Date: 8/8/2003Jacqueline A. Hart, M.D., Senior Medical Editor, A.D.A.M., Inc. Previously reviewed by Andrew L. Chen, M.D., M.S., Department of Orthopaedic Surgery, Hospital for Joint Diseases, New York, NY. Review provided by VeriMed Healthcare Network (11/17/2002).
Last updated: Tue, 06 Jan 2009 00:20:03 GMT