The outwards drift of the great toe, associated with the formation of a bony lump on the inside of the great toe joint.
This would include trying wider shoes and possibly using an insole if you are also getting pain under the ball of the foot. There are also other orthotics which can protect the bunion.
Scarf and Akin Procedure.
recurrence of bunion, metalwork problems, fracture of first metatarsal.