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warnings
Hydroquinone is a skin - bleaching agent, which may produce unwanted cosmetic effects if not used as directed. The physician should be familiar with the contents of this insert before prescribing or dispensing this product. Test for skin sensitivity before using by applying a small amount to an unbroken patch of skin and check within 24 hours. Minor redness is not a contraindication, but where there is itching or vesicle formation or excessive inflammatory response, product should be discontinued and physician consulted. Close patient supervision is recommended. Warnings: Avoid contact with eyes, nose, mouth, and lips. In case of accidental contact, patient should rinse thoroughly with water and contact a physician. Sunscreen use is an essential aspect of hydroquinone therapy because even minimal sunlight exposure sustains melanocytic activity. Contains sodium metabusulfite, a sulfite that may cause allergic - type reactions including anaphylactic symptoms and life - threatening or elss severe asthmatic episodes in certain susceptible people. The overall prevalence of sulfite sensitivity in te general population is unknown and probably low. Sulfite sensitivity is seen more frequently in asthmatic than in nonasthmatic people
No systemic adverse reactions ahve been reported. Occasional hypersensitivity (localized contact dermatitis) may occur, in which case the product should be discontinues and the physician notified immediately.