Risk factors
By Mayo Clinic staffFactors that may increase your risk of dermatographia include:
- Age. Dermatographia can occur at any age, but it tends to be more common in young adults in their 20s and 30s.
- Other skin conditions. If you have other skin conditions, such as dry skin or dermatitis, you may be more susceptible to dermatographia. Any skin condition that causes a frequent urge to scratch may increase your risk.
- Allergies. If you have a history of allergies, you may be more prone to developing dermatographia. The same immune system response that causes other allergies may also cause dermatographia.
- Heredity. As with other allergies, dermatographia may run in families.
References
- Dice JP, et al. Physical urticarias. http://www.uptodate.com/home/index.html. Accessed April 8, 2010.
- Urticaria — Hives. American Academy of Dermatology. http://www.aad.org/public/Publications/pamphlets/Urticaria-Hives.htm. Accessed April 25, 2010.
- Bhute D, et al. Dermatographism. Indian Journal of Dermatology, Vereology and Leprology. 2008;74:177.

Find Mayo Clinic on