Margarita Burn: Recognition and Treatment of Phytophotodermatitis

Phytophotodermatitis is a cutaneous reaction caused by direct contact with phototoxic agents and subsequent sunlight exposure. Furocoumarins psoralens are 2 that can cause this reaction, these organic chemical compounds found in many plant species consumed humans. Following exposure to such foods ultraviolet radiation via sunlight, phytophotodermatitis occur. Due the etiology of rashes relating closely outdoor consumption margaritas, rash may be known patients as margarita burn. There classically described sequence progression: erythematous macules or patches, which later become vesicles seem similar second-degree burns, followed an asymptomatic hyperpigmentation. This case presents 26-year-old female diagnosed following use citrus fruits for margaritas while outdoors sunlight. The diagnosis often made clinically but complicated due its similarity appearance other common reactions. In patient, differential included solar erythema, dermatitis (type IV hypersensitivity reaction), polymorphic light eruption, drug-related photosensitivity. Careful history taking essential not only narrowing down also avoiding unnecessary tests ineffective treatments.