Dermatology clinic

Thiazide lichenoid photodermatitis

Bruce Tate
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Drug-induced lichenoid photodermatitis generally appears as a dermatitis, mainly on sun-exposed sites. Once recognised, photoallergic and phototoxic drug eruptions are managed by stopping the offending drug and implementing sun protection measures. Topical corticosteroids are also used, mainly for photoallergic reactions.

Article Extract

Case presentation

A 78-year-old man presented with a 12-month history of a dermatitis-like rash. It had gradually worsened and was eventually severe, particularly on sun-exposed areas of his face, neck, upper trunk, arms, forearms and dorsal hands and fingers. The rash was quite itchy and he felt it became worse after sun exposure.