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salicylic acid cream
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----------SALACYN™ 6% CREAM
SALACYN™ 6% LOTION
(6% Salicylic Acid)
FOR DERMATOLOGICAL USE ONLY.
SALACYN™ 6% CREAM contains 6% Salicyclic Acid USP incorporated into a specially formulated oil and water emulsion vehicle consisting of Ammonium Lactate, Cetearyl Alcohol and PEG-3 Distearoylamidoethylmonium Methosulfate and Polysorbate 60, Cetearyl Alcohol, Cetyl Alcohol, Dimethicone 350, Disodium EDTA, Glycerin, Glyceryl Stearate SE, Methylparaben, Mineral Oil, PEG-100 Stearate, Phenoxyethanol, Propylparaben, Purified Water and Trolamine.
SALACYN™ 6% LOTION contains 6% w/w Salicylic Acid USP incorporated into a specially formulated oil and water emulsion vehicle consisting of of Ammonium Lactate, Cetearyl Alcohol and PEG-3 Distearoylamidoethylmonium Methosulfate and Polysorbate 60, Cetyl Alcohol, Dimethicone 350, Disodium EDTA, Glycerin, Glyceryl Stearate SE, Methylparben, Mineral Oil, PEG-100 Stearate, Propylparaben, Purified Water and Trolamine.
Salicylic Acid is the 2-hydroxy derivative of benzoic acid having the following structure:
Salicylic Acid has been shown to produce desquamation of the horny layer of the skin while not effecting qualitative or quantitative changes in the structure of the viable epidermis. The mechanism of action has been attributed to a dissolution of intercellular cement substance. In a study of the percutaneous absorption of salicylic acid in a 6% salicylic acid gel in four patients with extensive active psoriasis. Taylor and Halprin showed that the peak serum salicylate levels never exceeded 5 mg/100 ml even though more than 60% of the applied salicylic acid was absorbed. Systemic toxic reactions are usually associated with much higher serum levels (30 to 40 mg/100ml). Peak serum levels occurred within five hours of the topical application under occlusion. The sites were occluded for 10 hours over the entire body surface below the neck. Since salicylates are distributed in the extracellular space, patients with a contracted excellular space due to dehydration or diuretics have higher salicylate levels than those with a normal extracellular space. (SEE PRECAUTIONS).
The major metabolites identified in the urine after topical administration are salicyluric acid (52%), salicylate glucuronides (42%) and free salicylic acid (6%). The urinary metabolites after percutaneous absorption differ from those after oral salicylate administration; those derived from percutaneous absorption contain more salicylate glucuronides and less salicyluric and salicylic acid. Almost 95% of a single dose of salicylate is excreted within 24 hours of its entrance into the extracellular space.
Fifty to eighty percent of salicylate is protein bound to albumin. Salicylates compete with the binding of several drugs and can modify the action of these drugs; by similar competitive mechanisms other drugs can influence the serum levels of salicylate. (SEE PRECAUTIONS).
INDICATIONS AND USAGE
FOR DERMATOLOGIC USE
SALACYN™ 6% is a topical aid in the removal of excessive keratin in hyperkeratotic skin disorders including verrucae, and the various ichthyoses (vulgaris, sex-linked and lamellar), keratosis palmaris and plantaris keratosis pilaris, pityriasis rubra pilaris and psoriasis (including body, scalp, palms and soles).
SALACYN™ 6% should not be used in any patient known to be sensitive to salicylic acid or any other listed ingredients. SALACYN™ 6% should not be used in children under 2 years of age.
Prolonged and repeated daily use over large areas, especially in children and those patients with significant renal or hepatic impariment could result in salicylism. Concomitant use of other drugs which may contribute to elevated serum salucylate levels should be avoided where the potential for toxicity is present. In children under 12 years of age and those patients with renal of hepatic impairment to the area to be treated should be limited and the patient monitored closely for signs of salicylate toxicity; nausea, vomiting, dizziness, loss of hearing, tinnitus, lethargy, hyperpnea, diarrhea, and psychic disturbances. In the event of salicylic acid toxicity, the use of SALACYN™ 6% should be discontinued. Fluids should be administered to promote urinary execration. Treatment with sodium bicarbonate (oral or intravenous) should be instituted as appropriate. Patients should be cautioned against the use of oral aspirin and other salicylate containing medications, such as sports injury creams, to avoid additional excessive exposure to salicylic acid. Where needed, aspirin should be replaced by an alternative non-steroidal anti-inflammatory agent that is not salicylate based. Patients should be advised not to apply occlusive dressings, clothing or other occlusive topical products such as petrolatum-based ointments to prevent excessive systemic exposure to salicylic acid. Excessive application of the product other than is needed to cover the affected area will not result in a more rapid therapeutic benefit.
Due to the potential risk of developing Reye's syndrome, salicylate products should not be used in children and teenagers with varicella or influenza, unless directed by a physician.
For external use only. Avoid contact with eyes and other mucous membranes.
The following interactions are from a published review and include reports concerning both oral and topical salicylate administration. The relationship of these interactions to the use of SALACYN™ 6% is not known.
The following alterations of laboratory tests have been reported during salicylate therapy:
Salicylic acid has been shown to be teratogenic in rats and monkeys. It is difficult to extrapolate from oral doses of acetylsalicylic acid used in these studies to topical administration as the oral does to monkeys may represent six times the maximal daily human does of salicylic acid when applied topically over a large body surface. There are no adequate and well-controlled studies in pregnant women. SALACYN™ 6% should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus.
Because of the potential for serious adverse reactions in nursing infants from the mother's use of SALACYN™ 6%, a decision should be made whether to discontinue nursing or discontinue the drug, taking into account the importance of the drug to the mother. If used by nursing mothers, it should not be used on the chest area to avoid accidental contamination of the child.
Excessive erythema and scaling conceivably could result from the use on open skin lesions.
DOSAGE AND ADMINISTRATION
The preferable method of use is to apply SALACYN™ 6% thoroughly to the affected area and to cover the treated area at night after washing and before retiring. Preferably, the skin should be hydrated for at least five minutes prior to application. The medication is washed off in the morning and if excessive drying and/or irritation is observed, a bland cream or lotion may be applied. Once clearing is apparent, the occasional use of SALACYN™ 6% will usually maintain the remission. In those areas where occulsion is difficult or impossible, application may be made more frequently; hydration by wet packs or baths prior to application apparently enhances the effect. (SEE WARNINGS). Unless hands are being treated, hands should be rinsed thoroughly after application. Excessive repeated application of SALACYN™ 6% will not necessarily increase its therapeutic benefit, but could result in increased local intolerance and systemic adverse effects such as salicylism.
SALACYN™ 6% CREAM is available in 400 gram bottles, NDC 58980-631-90.
SALACYN™ 6% LOTION is available in 14 fl oz (414ml) bottles, NDC 58980-630-14
©2008 Stratus Pharmaceuticals Inc.
PRINCIPAL DISPLAY PANEL - 400 g Bottle Label
(6% Salicylic Acid)
Net WT. 400 grams
PRINCIPAL DISPLAY PANEL - 414 mL Bottle Label
(6% Salicylic Acid)
Net WT. 14.0 fl. oz. (414 mL)
Revised: 11/2010 Stratus Pharamceuticals, Inc
Reproduced with permission of U.S. National Library of Medicine
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