Obagi – C Recall
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Questions & Answers
Side Effects & Adverse Reactions
Hydroquinoone 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.
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.
The Obagi - C Rx Therapy Night Cream contains sodium metabisulfite, a sulfite that
may cause allergic - type reactions including anaphylactic symptoms and life - threatening or
less severe asthmatic episodes in certain susceptible people. The overall prevalence of sulfite
sensitivity in the general populationis unknown and probably low. Sulfite sensitivity is seen
more frequently in asthmatic than in nonasthmatic people.
There is currently no legal information available for this drug.
FDA Safety Alerts
There are currently no FDA safety alerts available for this drug.
There is currently no manufacturer warning information available for this drug.
FDA Labeling Changes
There are currently no FDA labeling changes available for this drug.
The gradual bleaching of hyperpigmented skin conditions such as chloasma, melasma, freckles,
senile lentigines, and other unwanted areas of melanin hyperpigmentation.
There is currently no drug history available for this drug.
Hydroquinone is 1,4 - bensenediol. Hydroquinone occurs as fine, white needles. The drug is freely
soluble in water and in alcohol. Chemically, hydroquinone is designated as p - dihydroxybenzene;
the empirical formula is C6H6O2; molecular weight is 110.11 g / moL.