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.
Causes
Allergic reactions
Sensitivity to foods, medications, or environmental allergens can trigger histamine release in the skin.
Infections
Viral, bacterial, or parasitic infections can overstimulate the immune system and lead to dermatographia.
Stress and emotional factors
Psychological stress can increase histamine response, making the skin more reactive.
Skin irritation or friction
Tight clothing, scratching, heat, or pressure on the skin can directly trigger the condition.
In conclusion, generally, dermatographia leaves no lasting marks, causing only minor, short-lived irritation and symptoms. The condition may last anywhere from months to years, or you may have it throughout your life. There isn’t a cure, but for many, dermatographia goes away on its own in a year or two. Or it may grow milder over time so you don’t experience major symptoms. All information are gotten from Cleveland clinics.