Your condition can be frustrating, unpredictable and depressing. But you can take action! Record your experiences, feelings, your treatment regimen, and your body's reaction. This volume consists of 150 plain college-ruled pages. A bunion is a bony deformity of the joint at the base of the big toe. The medical name is hallux valgus.The main sign of a bunion is the big toe pointing towards the other toes on the same foot, which may force the foot bone attached to it (the first metatarsal) to stick outwards.