rss Posted January 1, 2021 Report Share Posted January 1, 2021 2021 Aug 11. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2021 Jan–.ABSTRACTPhotosensitivity 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. Primary or autoimmune photodermatoses Polymorphic light eruptionJuvenile spring eruptionActinic folliculitisActinic prurigoSolar urticariaChronic actinic/photosensitivity dermatitisHydroa vacciniforme (associated with Epstein-Barr virus) Exogenous or drug/chemical-induced photodermatoses Drug-induced photosensitivity: common photosensitizing drugs are thiazides, tetracyclines, non-steroidal anti-inflammatory drugs (NSAIDs), phenothiazines, voriconazole, quinine, vemurafenib, and many othersPhotocontact dermatitis: due to phototoxic chemicals such as psoralens in plants, vegetables, fruit; fragrances in cosmetics; sunscreen chemicals; dyes and disinfectantsPseudoporphyria: induced by drugs and/or renal insufficiency Photo-exacerbated or photo-aggravated dermatoses Usually: Cutaneous lupus erythematosus (acute, subacute and chronic variants)DermatomyositisSjogren syndromeDarier diseaseRosaceaMelasma Sometimes: Pemphigus vulgarisPemphigus foliaceusAtopic dermatitisSeborrhoeic dermatitisPsoriasisLichen planus (actinicus)Erythema multiformeMycosis fungoides Metabolic photodermatoses (rare) Porphyria cutanea tardaErythropoietic protoporphyriaVariegate porphyriaErythropoietic porphyria (Gunther disease) Genetic photodermatoses (very rare disorders due to genomic instability) Xeroderma pigmentosumCockayne syndromeTrichothiodystrophyBloom syndromeRothmund Thomson syndromePMID:28613726 | Bookshelf:NBK431072{url} = URL to article Link to comment Share on other sites More sharing options...
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