Causes of Nummular eczema

Table of Contents

Definition

Nummular eczema is an allergy-related disorder in which itchy, coin-shaped spots or patches appear on the skin.


Alternative Names

Eczema - nummular; Nummular dermatitis


Causes, incidence, and risk factors

The cause of nummular eczema is unknown, but there usually is a personal or family history of:

  • Allergies
  • Asthma
  • Atopic dermatitis

It is relatively uncommon, and most often occurs in elderly men.

Several things may make the condition worse, including

  • Dry skin
  • Environmental irritants
  • Stress
  • Temperature changes


Review Date: 05/13/2011
Reviewed By: Kevin Berman, MD, PhD, Atlanta Center for Dermatologic Disease, Atlanta, GA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)

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