Exogenous ochronosis following self medication of topical hydroquinone: A case report and review of literature
2014
Man is always obsessed with fair skin since ages. Beauty, it is said, is skin deep. Not so anymore for consumers especially in India who demand from their beauty products more than just a superficial whitening of their skin tone for a short duration. Hydroquinone is the ?rst choice of topical bleaching agents used in treatment of melasma. It is widely prescribed by physicians and often used by patients without prescription. The principal adverse effects of its chronic use are confetti-like depigmentation and exogenous ochronosis. Exogenous ochronosis is an infrequent dermatosis characterized as a dark blue hyperpigmentation localized where the causing agent was applied. It may be caused by the use of systemic medications such as antimalarials and by the use of topical substances such as phenol, resorcinol, benzene, hydroquinone, which is a phenolic compound with depigmenting action. The pathophysiology of this process is not well clear up to this moment, and the therapeutic measures are not satisfactory either. We hereby, reporting a case of 29 years old female who had been using hydroquinone continuously for six years for fairer complexion and ended up with a night mare.
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