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Risk factors
By Mayo Clinic staffAlthough anyone can develop polymorphous light eruption, several factors are associated with an increased risk of the condition:
- Women are more likely to develop the disorder.
- The first episode most often appears during the teenage years or 20s.
- People with fair skin or those living in northern regions are more likely to develop the disorder.
- A family history of polymorphous light eruption among some people with the condition suggests a possible genetic risk factor.
References
- Habif T. Clinical Dermatology: A Color Guide to Diagnosis and Therapy. 5th ed. Philadelphia, Pa.: Mosby Elsevier; 2009. http://www.mdconsult.com/books/page.do?eid=4-u1.0-B978-0-7234-3541-9..00028-6--s0355&isbn=978-0-7234-3541-9&type=bookPage§ionEid=4-u1.0-B978-0-7234-3541-9..00028-6--s0355&uniqId=227127777-3#4-u1.0-B978-0-7234-3541-9..00028-6--s0355. Accessed Nov. 18, 2010.
- Honigsmann H. Polymorphous light eruption. Photodermatology, photoimmunology & photomedicine 2008;24:155.
- Facts about sunscreens. American Academy of Dermatology. http://www.aad.org/media/background/factsheets/fact_sunscreen.htm. Accessed Nov. 18, 2010.
- Bylaite M, et al. Photodermatoses: Classification, evaluation and management. The British Journal of Dermatology 2009;161(suppl 3):61.
- Systemic lupus erythematosus (SLE). The Merck Manuals: The Merck Manual for Healthcare Professionals. http://www.merckmanuals.com/professional/sec04/ch032/ch032g.html. Accessed Nov. 19, 2010.
- Photosensitivity. The Merck Manuals: The Merck Manual for Healthcare Professionals. http://www.merckmanuals.com/professional/sec10/ch115/ch115c.html. Accessed Nov. 19, 2010.
- Sun-protective clothing: Wear it well. Federal Trade Commission. http://www.ftc.gov/bcp/edu/pubs/consumer/alerts/alt094.shtm. Accessed Nov. 18, 2010.
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