There are many skin conditions that occur on the foot.
Corns are generally caused by pressure to the area, from footwear etc.
Fissures are splits in the skin commonly seen between the toes and around the heels. Between the toes the skin is often too moist, and around the heels, it is too dry.
Verrucae are one of the most common viral conditions of the foot.
Psoriasis is a skin condition often seen on the soles of the feet as well as other areas of the body.
Ulceration is commonly the result of continuous damage to the foot, which may in turn become infected.
Tumours may appear on the foot, from benign to the less common cancerous lesions.