Peninsula Foot and Ankle Clinic

There are many potential causes of "cracked heels." Dry skin (xerosis) is common and can get worse with wearing open-back shoes, increased weight, or increased friction from the back of shoes. Dry cracking skin can also be a subtle sign of more significant problems, such as diabetes or loss of nerve

A "corn" is a small circular thickened lesion in the skin of the foot. It usually forms due to repeated pressure on the skin, such as the rubbing of a shoe. The name "corn" comes from its resemblance to a kernel of corn. A corn is different from a callus in that it has a central core of hard material. People

Contact dermatitis of the foot is an inflammation of the skin in response to an irritant. This irritant is something with which the foot has come into contact, such as materials and chemicals with which shoes are made, poison ivy or harsh chemicals. When the skin of the foot comes into contact with

A callus is a thickened area of skin on the foot caused by pressure and repeated rubbing, such as from a shoe or sock. The rubbing causes the skin to produce a layer of protective skin (a callus). Calluses vary in size, and can become painful. There are a number of treatments for painful calluses.

A black, purple, or brownish discoloration under or involving a toenail is frequently due to trauma to the toe nail, such as when something is dropped on the toe. The color results from a blood clot or bleeding under the nail, and may involve the entire nail or just a small portion of it. This can be

Athlete's foot is a skin infection caused by fungus. A fungal infection may occur on any part of the body; on the foot it is called athlete’s foot, or tinea pedis.  Fungus commonly attacks the feet because it thrives in a dark, moist, warm environment such as a shoe. Fungal infections are more common