Photosensitive dermatitis - 光敏性皮炎
光敏性皮炎 (Photosensitive dermatitis)之後的「發炎後色素沉著」；光皮炎在手背上比在手指上更常見。
EPP (Erythropoietic protoporphyria) 中的急性光敏反應；陽光引起的皮膚炎通常發生在手背側和手臂的暴露區域。與接觸性皮膚炎不同，其特徵是位置對稱且可觸及的微小病變。
References
光過敏包括一系列因陽光照射而引發或惡化的症狀、疾病和病症（光性皮膚病）。它分為五類： primary photodermatosis, exogenous photodermatosis, photo-exacerbated dermatoses, metabolic photodermatosis, and genetic photodermatosis
Photosensitivity refers to various symptoms, diseases, and conditions (photodermatoses) caused or exacerbated by exposure to sunlight. It is classified into five categories: primary photodermatosis, exogenous photodermatosis, photo-exacerbated dermatoses, metabolic photodermatosis, and genetic photodermatosis.
Photosensitivity refers to various symptoms, diseases, and conditions (photodermatoses) caused or exacerbated by exposure to sunlight. It is classified into five categories: primary photodermatosis, exogenous photodermatosis, photo-exacerbated dermatoses, metabolic photodermatosis, and genetic photodermatosis.
光敏性皮炎 (photosensitive dermatitis) 可能會導致腫脹、呼吸困難、灼熱感、紅色發癢皮疹（有時類似小水泡）和皮膚脫皮。也可能出現斑點，搔癢可能持續很長時間。