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Corns and Calluses

Adult Skin Problems

Medically Reviewed by Stephanie S. Gardner, MD on June 22, 2021

Side-by-side composite of corn and callus on foot

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Copyright 2007 Interactive Medical Media LLC and Copyright © ISM / Phototake-- All rights reserved.

Corns generally occur on the tops and sides of the toes. A hard corn is asmall patch of thickened, dead skin with a packed center. A soft corn has amuch thinner surface and usually occurs between the 4th and 5th toes. A seedcorn is a tiny, discrete callous that can be very tender if it's on aweight-bearing part of the foot. Seed corns tend to occur on the bottom of thefeet, and some doctors believe this condition is caused by plugged sweatducts.

Calluses can develop on hands, feet, or anywhere there is repeated friction-- even on a violinist's chin. Like corns, calluses have several variants. Thecommon callus usually occurs when there's been a lot of rubbing against thehands or feet. A plantar callus is found on the bottom of the foot. Read more about corns and calluses - symptoms, treatments andprevention.

Slideshow: Slideshow: Pictures of Common Foot Problems

Article: Understanding Corns and Calluses - the Basics
Article: Understanding Corns and Calluses - Symptoms
Article: Understanding Corns and Calluses - Prevention

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Image: Copyright 2007 Interactive Medical Media LLC and Copyright © ISM / Phototake -- All rights reserved.

Text: "Understanding Corns and Calluses - the Basics", WebMD Medical Reference

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