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Form of ringworm that affects the feet. In the inflammatory type, the infection may lie inactive much of the time, with occasional acute episodes in which blisters develop, mostly between the toes. The dry type is a chronic condition marked by slight redness of the skin and dry scaling that may involve the sole and sides of the foot and the toenails, which become thick and brittle.
This entry comes from Encyclopædia Britannica Concise. For the full entry on athlete's foot, visit Britannica.com.