By: Bella Kiefer, Abby Goodman, David Schekall

Dermatographia (Skin writing) raised welts are developed after their skin is scratched marks usually disappear in 30 minutes

Scientific Description Dermatographia is an allergic reaction when specific antibodies IgE and IgM are released in response to scratching, pressure or mild irritation of the skin Response is the release of histamines causing welts Raised marks appear in a straight line and are called linear wheels

Other Signs Raised red lines Itching Swelling Inflammation Hive-like welts

Causes Simple things can trigger symptoms of dermatographia: Rubbing from clothes/bed sheets By an infection Emotional upset Medications, such as penicillin. Factors that make the condition worse: Exercise Heat Cold Stress Alcohol use Symptoms are worse at night

Cure Treated with antihistamines to reduce itchiness/discomfort No cure for this condition(although the symptoms don’t last long) Rare cases require more in-depth medical treatment Symptoms:typically treated with over-the-counter medications or alternative remedies. Don’t take any new medications, herbs, or supplements without asking a doctor first. Avoid red meat, processed meat, fried foods, carbs

Worst Case Scenario 45% of the participants in a study said their symptoms were moderate. 44% said the condition significantly impaired their quality of life. 7% said normal life was not possible. For some, it resolves completely within a few months, and for others it continues for years In some reports, the condition either disappears or stabilizes enough to no longer be a problem within 1 to 2 years.

Fun Facts Dermatographia can occur at any age Tends to be common in teenagers and young adults If you have other skin conditions, such as dry skin or dermatitis, you may be more susceptible to dermatographia 14% studies reported a family history of the condition, not proven to be genetic Some people use it as a form of art

Cites https://www.mayoclinic.org/diseases-conditions/dermatographia/symptoms-causes/syc-20371411 https://www.healthline.com/health/dermatographia#prevention https://www.medicalnewstoday.com/articles/319258.php