Dermatographic urticaria

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.