Dermatographic urticaria 2012-07-18T08:42:25Z SNOMEDCT_US:402601007 HP:0011971 UMLS:C0343065 SNOMEDCT_US:402410006 SNOMEDCT_US:7632005 Skin writing An exaggerated whealing tendency when the skin is stroked, that is, formation of red, itchy bumps and lines on the skin as a result of pressure on the skin (for instance, stroking the skin with a pen or tongue depressor). Dermographism Dermatographism Physical urticaria