a condition in which touching or lightly scratching the skin causes raised, reddish marks.
Also der·ma·tog·ra·phism [dur-muh-tog-ruh-fiz-uh m] /ˌdɜr məˈtɒg rəˌfɪz əm/, dermographia, dermographism.
Origin of dermatographia
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
A form of urticaria in which skin welts develop along the lines where one has been stroked or scratched.dermographia dermographism
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.