Exogenous ochronosis after prolonged use of topical hydroquinone (2%) in a 50-year-old Indian female

Exogenous ochronosis after prolonged use of topical hydroquinone (2%) in a 50-year-old Indian female

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Ochronosis is a rare disease characterized by leopard drum throne speckled and diffuse pigmentation symmetrically over the face, neck, and photo-exposed areas.It is characterized histologically by banana-shaped ochre-colored deposits in the dermis.It can present in exogenous rb3519 replacement lenses or endogenous form.We report a case of exogenous ochronosis in a 50-year-old Indian woman after prolonged use of topical hydroquinone which is a rare complication with a commonly used drug which is available over the counter.