Understand common causes of foot pain for example bunions, corns, athlete's foot, plantar warts plus much more. Get the most up-to-date information on treatments for foot pain. Bone bruise (contusion): Stepping on a tough, sharp object can bruise the fat padding underneath your heel. You might not see discoloration, but https://www.theorthopaedicandpainpractice.com/exploring-the-causes-and-treatments-of-common-foot-pain/