If the callus is very painful, or if you have diabetes, fragile skin, or circulatory problems, it is best to consult a doctor or a healthcare professional specialising in footcare such as a podiatrist.
A foot or posture specialist may help correct abnormal gait by checking your footwear or identify an underlying bone structure problem. In the latter case, you may be referred to undergo an X-Ray or possibly a surgical procedure.
A podiatrist may remove some of the hard skin using a scalpel. Do not attempt to do this at home.
If there is an infection or a risk of infection, you may be advised to visit your doctor, who may prescribe an antibiotic ointment. Red and swollen skin around the callus can indicate an infection.