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A foot corn or callus is a thickening or hardening of skin in response to excessive pressure or friction. According to MedicineNet, corns typically have a conical or circular shape with a hard center. Calluses have a mor... More »

www.reference.com Health Conditions & Diseases Skin Conditions

To remove a callus from a big toe, soak the callus in very warm water for at least five minutes, and then use a pumice stone to gently sand the hardened skin, advises The New York Times. Pads, plasters and medications co... More »

www.reference.com Health Conditions & Diseases Skin Conditions

Black spots on the feet can be caused by diabetes, plantar warts and foot melanoma, according to the Society of Chiropodists and Podiatrists, WebMD and Medical News Today. Diabetes and foot melanoma are serious condition... More »

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Corns develop on the toes due to the thickening of the skin in response to excessive friction or pressure on the area, which may result from footwear that is too tight or foot deformities such as hammertoe, according to ... More »

www.reference.com Health Conditions & Diseases Skin Conditions

A corn on the foot is an area of thickened skin with a hard center, according to WebMD. Soft corns have a thinner surface than hard corns. More »

www.reference.com Health Conditions & Diseases Skin Conditions

Individuals can remove a corn at home by soaking the foot in warm, soapy water before rubbing off the softened skin with a pumice stone, as recommended by Mayo Clinic. Other home remedies include applying lemon juice, on... More »

www.reference.com Health Conditions & Diseases Skin Conditions

Dupuytren's contracture can be recognized by a thickening of the palm and a hardening of tissue that causes the ring and pinkie fingers to remain in a bent position, explains Mayo Clinic. It is uncommon for the thumb or ... More »

www.reference.com Health Conditions & Diseases Skin Conditions