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| Definition: | Nummular eczema is a hypersensitivity (allergy related) skin disorder causing characteristic itchy, coin-shaped lesions.
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| Alternative Names: | Eczema - nummular; Nummular dermatitis
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| Causes, incidence, and risk factors: | The cause of nummular eczema is unknown, but there usually is a personal or family history of asthma, allergies, atopic dermatitis, or similar disorders. It is a relatively uncommon disorder that most often occurs in elderly men.
Eczema is generally a chronic, recurring condition. Exposure to environmental irritants may worsen symptoms, as can dryness of the skin, temperature changes, and stress.
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Review Date: 11/4/2001
Reviewed By: Michael Lehrer, M.D., Department of Dermatology, University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network.
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