Stephen J. Schueler, M.D.

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Nummular Dermatitis Overview

What is nummular dermatitis?
A person with nummular dermatitis has inflammation of the skin that results in an itchy rash. The rash forms round red spots on the skin. The cause for nummular dermatitis is unknown, but it is most common in dry climates and during the winter months.

What are the symptoms of nummular dermatitis?
Symptoms of nummular dermatitis include a rash that may start as tiny red bumps or blisters, which then turn into small, round red patches. The skin is very dry and scabs may form over the red patches. Nummular dermatitis occurs most commonly on the arms, legs, and buttocks.

How does the doctor treat nummular dermatitis?
Treatment for nummular dermatitis may include gentle skin cleansing, moisturizing creams or lotions, oral antihistamines, topical corticosteroids, oral corticosteroids, and oatmeal baths (Aveeno).

Continue to Nummular Dermatitis Symptoms

Last Updated: Feb 10, 2010 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Nummular Dermatitis References
  1. Aoyama H, Tanaka M, Hara M, Tabata N, Tagami H. Nummular eczema: An addition of senile xerosis and unique cutaneous reactivities to environmental aeroallergens. Dermatology. 1999;199(2):135-9. [10559579]
  2. Jarvikallio A, Harvima IT, Naukkarinen A. Mast cells, nerves and neuropeptides in atopic dermatitis and nummular eczema. Arch Dermatol Res. 2003 Apr;295(1):2-7. [12709813]
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