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A bunion is a painful lump at the base of the big toe. Over time, it causes the tip of the big toe to turn toward the other toes. Thebig toe may also overlap the second or third toe.
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The exact cause is not known. Genes may play a role.
Bunions are more common in women and older adults. They are also more common in people who have family members with bunions. Other things that may raise your risk are:
Bunions may cause:
The doctor will ask about your symptoms and past health. A foot exam will be done. It is diagnosed based on the exam.
The doctor will talk about treatment choices. They may be:
It is important to ease pressure on the bunion. This may be done with:
Prescription or over-the-counter medicines may be given to ease pain.
Surgery may be done if other treatments have not helped. It can remove the bony lump. The joint may also be realigned.
There are no methods to lower the risk of getting a bunion.
American Podiatric Medical Association
OrthoInfo—American Academy of Orthopaedic Surgeons
Ontario Podiatric Medical Association
Bunions. Ortho Info—American Academy of Orthopaedic Surgery website. Available at: http://orthoinfo.aaos.org/topic.cfm?topic=A00155. Accessed March 25, 2021.
Bunion surgery. Ortho Info—American Academy of Orthopaedic Surgery website. Available at: http://orthoinfo.aaos.org/topic.cfm?topic=a00140. Accessed March 25, 2021.
Easley ME, Trnka HJ. Current concepts review: hallux valgus part II: operative treatment. Foot Ankle Int. 2007 Jun;28(6):748-758.
Hallux valgus and bunion. EBSCO DynaMed website. Available at:https://www.dynamed.com/condition/hallux-valgus-and-bunion. Accessed March 25, 2021.
Last reviewed February 2021 by EBSCO Medical Review Board Teresa Briedwell, PT, DPT, OCS, CSCS Last Updated: 3/25/2021