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Clin Dermatol. 2016 Sep-Oct;34(5):571-81. doi: 10.1016/j.clindermatol.2016.05.006. Epub 2016 May 20.

Drug-induced photosensitivity: Photoallergic and phototoxic reactions.

Author information

1
Department of Dermatovenereology, Hospital Distrital de Santarém EPE, Santarém, Portugal. Electronic address: Afilipe.monteiro@hds.min-saude.pt.
2
Department of Dermatovenereology, Hospital Distrital de Santarém EPE, Santarém, Portugal.

Abstract

Drug-induced photosensitivity refers to the development of cutaneous disease due to the interaction between a given chemical agent and sunlight. Photosensitivity reactions can be classified as phototoxic or photoallergic. Sometimes, there is an overlap between these two patterns, making their distinction particularly difficult for the clinician. We review the drugs that have been implicated as photosensitizers, the involved mechanism, and their clinical presentations. The main topical agents that cause contact photosensitivity are the nonsteroidal antiinflammatory drugs, whereas the main systemic drugs inducing photosensitivity are antimicrobials, nonsteroidal antiinflammatory agents, and cardiovascular drugs. Drug-induced photosensitivity remains a common clinical problem and is often underdiagnosed.

[Indexed for MEDLINE]

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