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  1. Mayo Clinic
    https://www.mayoclinic.org › diseases-conditions › dermatographia › symptoms-causes

    Dermatographia (Dermatographism) - Symptoms and causes

    • 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 dermatograp… 展开

    Symptoms

    Symptoms of dermatographia may include: 1. Raised, inflamed lines where you scratched. 2. Welts from friction. 3. Swelling. 4. Itching. The symptoms may occur within a fe… 展开

    Mayo Clinic
    Causes

    The exact cause of dermatographia isn't clear. It may be an allergic reaction, though no specific allergen has been found. Simple things may cause symptoms of dermatographia. … 展开

    Mayo Clinic
    Risk Factors

    Dermatographia can occur at any age. It tends to be more common in teens and young adults. If you have other skin conditions, you may be at greater risk. One such condition i… 展开

    Mayo Clinic
    Prevention

    Try these tips to reduce discomfort and prevent the symptoms of dermatographia: 1. Treat skin gently.Use a mild soap or nonsoap cleanser and pat skin dry. Wear things made of cl… 展开

    Mayo Clinic
    How do you know if you have dermatographia hives?
    In people with this condition, rubbing or scratching the skin with a finger causes welts that resemble writing. Dermatographia hives frequently appear on the scalp, in the genital area, and on the soles of the feet. Moisturizing the skin may help to ease the symptoms of dermatographia, such as itchiness.
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    How do you know if you have dermatographia hives?
     
  1. Cleveland Clinic
    https://my.clevelandclinic.org › health …

    Dermatographia (Dermatographism): What It Is, Causes …

    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 …

  2. Healthline
    https://www.healthline.com › health › d…

    Dermatographia: Symptoms, Causes, Treatment, and …

    2019年4月18日 · Scratches can irritate your skin, but they tend to heal quickly. Some scratches are white against the skin, while others redden slightly. With …

    • Verywell Health
      https://www.verywellhealth.com

      Dermatographism: Causes, Symptoms, Diagnosis, and …

      2024年10月20日 · When scratching causes a raised, red skin rash, you may have dermatographism. Learn about the causes, symptoms, and treatment of …

      • 预计阅读时间：7 分钟
    • WebMD
      https://www.webmd.com › skin-problems-and-treatments › ...

      Dermatograpia: What to Know About Skin Writing - WebMD

    • MedicineNet
      https://www.medicinenet.com › how_do_you_get_rid_of...

      How Do You Get Rid of Dermatographia? - MedicineNet

    • GoodRx
      https://www.goodrx.com › health-topic …

      What Is Dermatographia? Causes, Images, Treatment, …

      2024年9月27日 · Dermatographia — also called “skin writing” — is a condition where scratching or rubbing the skin causes raised lines that can last for up to 30 minutes. Some people develop severe itching from dermatographia that can …

    • Healthline
      https://www.healthline.com › health › p…

      When to Worry About Petechiae: Symptoms and More

      2024年10月24日 · You may notice red, brown, or purple spots on your skin and wonder about the cause. If they are small and don’t change color when you press on them, they may be petechiae.

    • Verywell Health
      https://www.verywellhealth.com

      Dermographism: Causes, Symptoms, and Treatment

      2024年7月8日 · Dermographism (also called dermatographia, dermatographic urticaria, dermatographic hives, or writing on the skin) is a condition that produces red, itchy bumps or raised lines on the skin, and is considered a type of hives. …

    • Medical News Today
      https://www.medicalnewstoday.com › …

      Causes and treatment of skin writing - Medical News …

      2023年7月12日 · Dermatographia is a skin condition that causes individuals to develop raised welts after their skin is scratched. The popular name for the condition is skin writing due to the...