Photodermatosis

Photodermatosis is a skin disease that is caused by exposure to sunlight.

People with photodermatosis may develop skin rashes following exposure to the sun. Polymorphous light eruption is the most common type of photodermatosis. It is most likely due to an abnormal immune system reaction to the sun. Polymorphous light eruption occurs in approximately 10 to 20 percent of otherwise healthy individuals, so it is a relatively common condition.

Radiation-related disorders / Photodermatoses (L55–L59, 692.7)

Ultraviolet/ionizing	Sunburn Phytophotodermatitis Solar urticaria Polymorphous light eruption Benign summer light eruption Juvenile spring eruption Acne aestivalis Hydroa vacciniforme Solar erythema

Nonionizing	Actinic rays: Actinic keratosis Atrophic actinic keratosis Hyperkeratotic actinic keratosis Lichenoid actinic keratosis Pigmented actinic keratosis Actinic cheilitis Actinic granuloma Actinic prurigo Chronic actinic dermatitis Infrared/heat: Erythema ab igne (Kangri ulcer Kairo cancer Kang cancer Peat fire cancer ) Cutis rhomboidalis nuchae Poikiloderma of Civatte

Other	Radiation dermatitis Acute Chronic radiodermatitis) Favre–Racouchot syndrome Photoaging Photosensitivity with HIV infection Phototoxic tar dermatitis

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