Dermatographia is a skin condition that causes raised marks. Scratching, rubbing and pressure cause the reaction. It usually goes away within 30 minutes without treatment. Other names for dermatographia include dermatographism and skin writing.

Dermatographia is a condition in which lightly scratching your skin causes raised, inflamed lines or welts. These marks tend to go away in less than 30 minutes. The condition is also known as dermatographism and skin writing. The cause of dermatographia is unknown, but it may be related to an infection, emotional upset or a medicine you're taking.

Dermographism is an exaggerated weal and flare response that occurs within minutes of the skin being stroked or scratched. Dermographism is the most common form of physical or chronic inducible urticaria. It is also called dermatographia and dermographic urticaria.

Dermatographic urticaria is sometimes called "skin writing", as it is possible to mark deliberate patterns onto the skin. The condition manifests as an allergic-like reaction, causing a warm red wheal to appear on the skin. As it is often the result of scratches, involving contact with other materials, it can be confused with an allergic ...

This condition is also called dermographism or dermatographic urticaria. It is also sometimes called “skin writing.” Approximately 5 percent of people have this condition, and it’s most ...