The exact cause of dermatographia isn't clear. It may be caused by an allergic response, yet no specific allergen has been identified.
Simple things can trigger symptoms of dermatographia. For example, rubbing from your clothes or bedsheets may irritate your skin. Sometimes, dermatographia is preceded by an infection, emotional upset or medications such as penicillin.
Dec. 06, 2012
- Habif TP. Clinical Dermatology: A Color Guide to Diagnosis and Therapy. 5th ed. Edinburgh, U.K.; New York, N.Y.: Mosby Elsevier; 2010. http://www.mdconsult.com/books/about.do?about=true&eid=4-u1.0-B978-0-7234-3541-9..X0001-6--TOP&isbn=978-0-7234-3541-9&uniqId=230100505-57. Accessed Oct. 4, 2012.
- Kliegman RM, et al. Nelson Textbook of Pediatrics. 19th ed. Philadelphia, Pa.: Saunders Elsevier; 2011. http://www.mdconsult.com/das/book/body/208746819-6/0/1608/0.html. Accessed Oct. 4, 2012.
- Dice JP, et al. Physical urticarias. http://www.uptodate.com/index. Accessed Oct. 4, 2012.
- Goldsmith LA, et al., eds. Fitzpatrick's Dermatology in General Medicine. 8th ed. New York, N.Y.: The McGraw-Hill Companies; 2012. http://www.accessmedicine.com/resourceTOC.aspx?resourceID=740. Accessed Oct. 4, 2012.
- Adkinson NF, et al. Middleton's Allergy: Principles and Practice. 7th ed. Philadelphia, Pa.: Mosby Elsevier; 2009. http://www.mdconsult.com/books/page.do?eid=4-u1.0-B978-0-323-05659-5..00061-9--cesec9&isbn=978-0-323-05659-5&sid=1363424664&uniqId=370214287-3#4-u1.0-B978-0-323-05659-5..00061-9--cesec9. Accessed Oct. 4, 2012.
- Gibson LE (expert opinion). Mayo Clinic, Rochester, Minn. Oct. 18, 2012.
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