A 50-year-old member asked:
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What is the cause of dermatographic urticaria?

1 doctor answer
Dr. Jeffrey Rumbyrt
31 years experience in Allergy and Immunology
Histamine: Du is caused by histamine release from mast cells in the skin. It is caused by physical pressure on the skin and is not due to allergies.
Answered on Mar 12, 2016
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Dr. John Chiu
Dr. John Chiu commented
56 years experience in Allergy and Immunology
Most of the time, the cause is unknown. However dry skin may be the cause. Try applying a moisturizer to the skin immediately after bathing on a regular basis. Antihistamine may also be helpful
Sep 15, 2013

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