hydroquinone /hī′drōkwin″ōn/ , a dermatological bleaching agent. ▪ INDICATIONS: It is prescribed to reduce pigmentation of the skin in certain conditions in which an excess of melanin causes hyperpigmentation. ▪ CONTRAINDICATIONS: Sunburn, prickly heat, other irritation of the skin, or known hypersensitivity to this drug prohibits its use. ▪ ADVERSE EFFECTS: Among the more serious adverse effects are tingling, erythema, burning, and severe inflammation of the skin.
