Dermatographism

Ridiculous Itching and Welts?

Q: This sounds ridiculous, but anywhere I rub my skin or scratch it I get big welts and the more I rub it the bigger the welts get and the more it starts itching. I have tried different laundry soaps and body washes but the end results are always the same. Help! -patient from Longview WA A: This isn't ridiculous at all! What you are describing sounds like dermatographism: Its basically the ability to make hives or welts by rubbing.  Patients can pretty much play tic-tac-toe on their thigh if they wanted to. Its typically harmless, but it can really bother some patients,...