The lateral bulge of the big toe of the left foot hurt for more than a month. Is it gout?

Bone swelling around the big toe with pain may be caused by gout, rheumatoid arthritis, rheumatoid arthritis and other reasons.

1. Gout: The occurrence of gout is closely related to hyperuricemia. The first metatarsophalangeal joint is the common initial site of patients, which can cause redness, swelling, pain and tophi in the affected joints. Repeated attacks of the disease can lead to joint deformity.