A 50-year-old member asked:
What is the cause of dermatographic urticaria?
1 doctor answer
Dr. Jeffrey Rumbyrt answered
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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