Bunion: Metatarsophalangeal Joint

Picture of a bunion and the joint at the base of the big toe

A bunion (hallux valgus) is an enlargement of bone or tissue around the joint at the base of the big toe (metatarsophalangeal joint). This results in a bump on the outside edge of this toe.

Current as ofSeptember 20, 2018

Author: Healthwise Staff
William H. Blahd, Jr., MD, FACEP - Emergency Medicine
Anne C. Poinier, MD - Internal Medicine
Adam Husney, MD - Family Medicine
Kathleen Romito, MD - Family Medicine
Gavin W. G. Chalmers, DPM, FACFAS - Podiatry and Podiatric Surgery

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