Contact dermatitis due to nickel in a necklace
Keywords: Contact allergy, Erythematous scaly patch, Female, Jewelry necklace allergy, Neck, Nickel allergy
Allergic contact dermatitis is a form of dermatitis caused by an allergic reaction to a material (called an allergen) in contact with the skin. The allergen is harmless to people who are not allergic to it.
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Source: Dr Ian Coulson
