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Dermatographism on the back

Dermatographism on the back


In dermatographism, hives are readily produced if the skin is lightly scratched.

Review Date 1/23/2022

Updated by: Stuart I. Henochowicz, MD, FACP, Clinical Professor of Medicine, Division of Allergy, Immunology, and Rheumatology, Georgetown University Medical School, Washington, DC. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.