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    Photoaggravated disorders.

    Dermatol Clin 2014 Jul;32(3):385-98, ix
    Dermatology Department, Beaumont Hospital, Beaumont Road, Beaumont, Dublin 9, Ireland; National Photodermatology Unit, Dermatology Department, Mater Misericordiae University Hospital, Eccles Street, Dublin 7, Ireland.
    Photoaggravated skin disorders are diseases that occur without UV radiation but are sometimes or frequently exacerbated by UV radiation. In conditions, such as lupus erythematosus, photoaggravation occurs in a majority of patients, whereas in conditions, such as psoriasis and atopic dermatitis, only a subset of patients demonstrate photoaggravation. Polymorphous light eruption is a common photodermatosis in all skin types, making it important to differentiate photoaggravation of an underlying disorder, such as lupus erythematosus, from superimposed polymorphous light eruption. Disease-specific treatments should be instituted where possible. A key component of management of photoaggravated conditions is photoprotection with behavioral change, UV-protective clothing, and broad-spectrum sunscreen.
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