Overview
Dermatographia is a common, benign (not harmful) skin condition. It causes you to develop raised marks (wheals) or a reaction similar to hives when you scratch your skin. Pressure or rubbing (friction) may also cause a reaction.
Dermatographism, dermatographic urticaria and skin writing are other names for dermatographia.
Who does dermatographia affect?
Dermatographia can affect anyone. However, you may be more likely to have dermatographia if:
- You’re a teenager or in your 20s.
- You have dry skin.
- You have dermatitis.
You may also be more likely to have dermatographia if someone else in your family has it.
How common is dermatographia?
Dermatographia is common. It affects about 2% to 5% of the general population.
How does dermatographia affect my body?
Dermatographia welts don’t hurt, but they can be itchy. However, you may feel self-conscious or uncomfortable until it fades, usually after about 30 minutes.
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