Hypersensitive skin

Hypersensitive skin

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Credit: DR P. MARAZZI/SCIENCE PHOTO LIBRARY

Caption: Dermatographism. "Allergy" written on a man's back in urticaria: raised, itchy skin. Dermatographism is a condition in which the skin is hyper- sensitive to touch. Merely brushing the skin leads to a reaction. Normally this sort of allergic response is only associated with external irritants such as nettles, insect bites or certain foods or drugs. In dermatographism, however, practically any object can evoke a response. To demonstrate this, an instrument was used to write on the skin of this patient. Dermatographism has no known cause. Treatment is with antihistamines, which help reduce the inflammation.

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Keywords: allergic, allergy, condition, dermatographic urticaria, dermatographism, dermographism, disorder, healthcare, medical, medicine, skin, skin writing, urticaria, uticaria, uticaria on skin, written in urticaria

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