Drug-Induced Photosensitivity

  • Miguel Gouveia Médico interno do Internato Complementar de Dermatovenereologia, Serviço de Dermatologia, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal/Resident, Dermatology and Venereology, Centro Hospitalar e Universitário de Coimbra, Portugal
  • Ana Gameiro Médico interno do Internato Complementar de Dermatovenereologia, Serviço de Dermatologia, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal/Resident, Dermatology and Venereology, Centro Hospitalar e Universitário de Coimbra, Portugal
  • Inês Coutinho Assistente Hospitalar de Dermatovenereologia, Serviço de Dermatologia, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal/Consultant of Dermatology, Dermatology Department, Centro Hospitalar e Universitário de Coimbra, Portugal
  • Margarida Gonçalo Assistente Hospitalar Graduado Sénior de Dermatologia, Serviço de Dermatologia, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal e Professor Auxiliar da Faculdade de Medicina da Universidade de Coimbra, Coimbra, Portugal/Senior Graduate Assistant in Dermatology, Dermatology Department, Centro Hospitalar e Universitário de Coimbra, Portugal and Professor of Dermatology, Dermatology Department, Centro Hospitalar Universitário de Coimbra, Portugal
Keywords: Dermatitis, Photoallergic, Phototoxic, Patch Tests, Photosensitivity Disorders/chemically induced, Skin/drug effects.

Abstract

Drug-induced photosensitivity is an abnormal skin reaction to light in individuals exposed to a drug, whom, in the absence of the culprit drug, would tolerate the same amount of light exposure. It can present as an acute or delayed clinical picture, with polymorphic features ranging from an exaggerate sunburn to acute eczema, photoonycholysis, pseudo-porphyria, pigmentation or cutaneous lupus erythematosus. The authors describe the drugs involved in these photosensitivity reactions and their main clinical pictures and discuss the possibility that these drugs can enhance photocarcinogenesis. Clinical recognition of these clinical patterns is of outmost importance in order to avoid the culprit drug and consequently improve or resolve photosensitivity.

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Published
2016-08-03
How to Cite
Gouveia, M., Gameiro, A., Coutinho, I., & Gonçalo, M. (2016). Drug-Induced Photosensitivity. Journal of the Portuguese Society of Dermatology and Venereology, 74(2), 123-135. https://doi.org/10.29021/spdv.74.2.548
Section
Continuous Medical Education