A common form of hives that follows the repeated stroking, rubbing or scratching of the skin, or when tight-fitting clothes rub the skin. Dermatographism occurs in about 5% of the population.
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A form of urticaria in which whealing occurs in the site and in the configuration of application of stroking (pressure, friction) of the skin. The resulting white line response appears early in flares of atopic dermatitis. SYN: autographism, factitious urticaria, skin writing. [dermato- + G. grapho, to write]

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der·ma·to·graph·ism -'graf-.iz-əm n DERMOGRAPHISM

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der·ma·tog·ra·phism (dur″mə-togґrə-fiz″əm) dermographism.

Medical dictionary. 2011.

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