| • | Athlete's Foot (Tinea Pedis) Athlete's foot, also known as tinea pedis, is a common foot infection caused by fungi called dermatophytes. |
| • | Blister (Overview) A blister is a bubble of fluid under the skin. |
| • | Bunion A bunion is a firm, painful bump that forms over a bony prominence (bulge) at the base of the big toe. |
| • | Corn and Callus Corns and calluses are both a thickening of the outer layer of skin. |
| • | Fallen Arch A fallen arch or flatfoot is known medically as pes planus. The foot loses the gently curving arch that normally is on the inner side of the sole, just in front of the heel. |
| • | Foot Ulcers A foot ulcer is an open sore on the foot. Some foot ulcers are superficial, producing a shallow red crater that involves only the surface skin. |
| • | Frostbite Frostbite is the freezing of body tissues as a result of extreme cold. |
| • | Gout Gout is a disorder characterized by too much uric acid in the blood and tissues. In gout, crystals of uric acid are deposited in the joints, where they cause a type of arthritis called gouty arthritis. |
| • | Hammertoe Hammertoe is a deformity in which one or more of the small toes become curled downward, giving it the appearance of a hammer or claw. |
| • | Heel Pain Heel pain is a common symptom that has many possible causes. |
| • | Ingrown Toenail An ingrown toenail is a toenail with an edge that pushes into the skin and soft tissue at the side of the nail, piercing the skin. |
| • | Morton's Neuroma A Morton's neuroma is a benign (noncancerous) swelling along a nerve in the foot that carries sensations from the toes. The reason the nerve starts to swell is unknown. |
| • | Paronychia A paronychia is an infection of the skin that surrounds a toenail or fingernail. |
| • | Plantar Fasciitis Plantar fasciitis is a painful inflammation of the plantar fascia, a fibrous band of tissue on the sole of the foot that helps to support the arch. |
| • | Toenail Fungus (Onychomycosis) Toenail fungus is a condition that disfigures and sometimes destroys the nail. It is also called onychomycosis. |
| • | Torsional Deformity Torsional deformities are when the long bones of the leg are turned to the inside or outside so that the toes of the feet do not point straight ahead. |
| • | Warts Warts are small skin growths caused by the human papilloma virus (HPV), which infects the top layer of skin. |