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Concept
Bunion
Summary
Tailor's bunion
A bunion, also known as hallux valgus, is a deformity of the joint connecting the big toe to the foot. The big toe often bends towards the other toes and the joint becomes red and painful. The onset of bunions is typically gradual. Complications may include bursitis or arthritis.
The exact cause is unclear. Proposed factors include wearing overly tight shoes, high-heeled shoes, family history, and rheumatoid arthritis. Diagnosis is generally based on symptoms and supported by X-rays. A similar condition of the little toe is referred to as a bunionette.
Treatment may include proper shoes, orthotics, or NSAIDs. If this is not effective for improving symptoms, surgery may be performed. It affects about 23% of adults. Females are affected more often than males. Usual age of onset is between 20 and 50 years old. The condition also becomes more common with age. It was first clearly described in 1870. Archaeologists have found a high incidence of bunions in skeletons from 14th- and 15th-century England, coinciding with a fashion for pointy shoes.
Symptoms may include irritation of the skin around the bunion, and blisters may form more easily at the site. Pain may be worse when walking.
Bunions can lead to difficulties finding properly fitting footwear and may force a person to buy a larger size shoe to accommodate the width of the bunion. If the bunion deformity becomes severe enough, the foot can hurt in different places even without the constriction of shoes. It is then considered as being a mechanical function problem of the forefoot.
The exact cause is unclear. It may be due to a combination of internal and external causes. Proposed factors include wearing overly tight shoes, high-heeled shoes, family history and rheumatoid arthritis. The American College of Foot and Ankle Surgeons states that footwear only worsens a problem caused by genetics.
Excessive pronation of the foot causes increased pressure on the inside of the big toe that can result in a deformation of the medial capsular structures of the joint, subsequently increasing the risk of developing bunions.
Official source
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