Description
A condition where lightly scratching the skin causes raised lines that look like hives.
Overview
Dermatographic urticaria is a condition where lightly scratching the skin causes raised lines that look like hives. It's also called skin writing and dermatographism.
Symptoms
It may cause itching. The raised lines usually fade within 30 minutes but sometimes last for several hours or even days.
Treatments
If the condition bothers you, taking an over-the-counter antihistamine medicine by mouth may help relieve symptoms.
Last Updated: December 4th, 2025
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