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What can cause nummular dermatitis?

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Nummular dermatitis is a type of eczema that more often affects men than women. We don’t know what causes it. But some things can make it more likely to happen:

  • Cold, dry air
  • Exposure to chemicals such as formaldehyde
  • Exposure to metals, including nickel

From: Types of Eczema WebMD Medical Reference

SOURCES:

Habif, T. , 5th edition, Mosby, 2009. Clinical Dermatology

Hanifin, J. , June 2007. Dermatitis

National Institutes of Health: "Handout on Health -- Atopic Dermatitis."

Cleveland Clinic: , 2nd edition. Current Clinical Medicine

American Academy of Dermatology: "Nummular Dermatitis," "Dermatitis."

American Academy of Family Physicians: "Seborrheic Dermatitis."

American Academy of Dermatology: "What is Eczema?"

FDA: “FDA approves new eczema drug .” Dupixent

 

Reviewed by Stephanie S. Gardner on July 3, 2019

SOURCES:

Habif, T. , 5th edition, Mosby, 2009. Clinical Dermatology

Hanifin, J. , June 2007. Dermatitis

National Institutes of Health: "Handout on Health -- Atopic Dermatitis."

Cleveland Clinic: , 2nd edition. Current Clinical Medicine

American Academy of Dermatology: "Nummular Dermatitis," "Dermatitis."

American Academy of Family Physicians: "Seborrheic Dermatitis."

American Academy of Dermatology: "What is Eczema?"

FDA: “FDA approves new eczema drug .” Dupixent

 

Reviewed by Stephanie S. Gardner on July 3, 2019

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How is nummular dermatitis treated?

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