Sever's disease is one of the most common causes of heel pain in growing children and adolescents, due to an inflammation of the growth plate in the calcaneus (heel).
Athlete's foot is a fungal skin infection that commonly begins between the toes, and causes the skin to redden and crack. The affected areas are flaky and sometimes itchy.
Plantar warts are caused by an infection with HPV in the outer layer of skin on the soles of the feet, resulting in rough growths on the soles of feet.