observe Salicylic Acid Gel Dosage Form: gel Overview Side Effects Dosage Professional Interactions More User Reviews Support Group Q & A Compare Alternatives Pricing & Coupons Disclaimer: This drug has not been found by FDA to be safe and effective, and this labeling has not been approved by FDA. For further information about unapproved drugs, click here. Salicylic Acid 6% Gel Rx Only FOR TOPICAL USE ONLY. NOT FOR OPHTHALMIC, ORAL OR INTRAVAGINAL USE. Slideshow Newborn Baby Health: 8 Woes From Cradle Cap And Colic To Whooping Cough Salicylic Acid Gel Description Salicylic Acid 6% Gel is applied topically and used in the removal of excessive keratin in hyperkeratotic skin disorders. Each gram of Salicylic Acid 6% Gel contains salicylic acid 6% as the active ingredient, and the following inactive ingredients: propylene glycol, SD-40 alcohol (21%), hydroxypropylcellulose and purified water. CHEMICAL STRUCTURE Salicylic acid is the 2-hydroxy derivative of benzoic acid having the following chemical structure: CLINICAL PHARMACOLOGY Salicylic acid has been shown to produce desquamation of the horny layer of skin while not affecting qualitative or quantitative changes in structure of the viable epidermis.1,2 The mechanism of action has been attributed to dissolution of intercellular cement substance.3 In a study of the percutaneous absorption of salicylic acid from Salicylic Acid 6% Gel in four patients with extensive active psoriasis, Taylor and Halprin4 showed that 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 5 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 extracellular space due to dehydration or diuretics have higher salicylate levels than those with a normal extracellular space. 5 (See PRECAUTIONS ). The major metabolites identified in the urine after topical administration are salicyluric acid (52%), salicylate glucuronides (42%), and free salicylic acid (6%).4 The urinary metabolites after percutaneous absorption differ from those after oral salicylate administration; those derived from percutaneous absorption contain more 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. 5 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 competetive mechanisms other drugs can influence the serum levels of salicylate. (See PRECAUTIONS ). Indications and Usage for Salicylic Acid Gel For the removal of excess keratin in hyperkeratotic disorders, including scaling associated with psoriasis or thickened skin of palms and soles, corns and calluses. Contraindications Salicylic Acid 6% Gel should not be used in any patient known to be sensitive to salicylic acid or any other listed ingredients. Salicylic Acid 6% Gel should not be used in children under 2 years of age. Warnings Contact with eyes, lips, broken or inflamed skin, and all mucous membranes should be avoided. Prolonged use over large areas, especially in children and those patients with significant renal or hepatic impairment could result in salicylism. Concomitant use of other drugs which may contribute to elevated serum salicylate levels should be avoided where the potential for toxicity is present. In children under 12 years of age and those patients with renal or hepatic impairment, 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, hyperpnoea, diarrhea, psychic disturbances. In the event of salicylic acid toxicity, the use of Salicylic Acid 6% Gel should be discontinued. Fluids should be administered to promote urinary excretion. Treatment with sodium bicarbonate (oral or intravenous) should be instituted as appropriate. Considering the potential of developing Reye s syndrome, salicylate products should not be administered to children or teenagers with varicella or influenza, unless directed by a physician. Precautions For external use only. Avoid contact with eyes and other mucous membranes. Mild burning or stinging may occur. Peeling of the skin may increase as the salicylic acid works to loosen excess keratin. If excessive burning, stinging or peeling occurs, discontinue use and consult your physician. Flammable. Keep away from heat and open flame. Keep this and all medications out of the reach of children . Drug Interactions. (The following interactions are from a published review 5 and include reports concerning both oral and topical salicylate administration. The relationship of these interactions to the use of Salicylic Acid 6% Gel is not known.) I. Due to the competition of salicylate with other drugs for binding to serum albumin the following drug interactions may occur: Drug Description of Interaction Tolbutamide; Sulfonylureas Hypoglycemia potentiated Methotrexate Decrease tubular reabsorption; clinical toxicity from methotrexate can result Oral Anticoagulants Increased bleeding II. Drugs changing salicylate levels by altering renal tubular reabsorption: Drug Description of Interaction Corticosteroids Decreases plasma salicylate level; tapering doses of steroids may promote salicylism Ammonium Sulfate Increases plasma salicylate level III. Drugs with complicated interactions with salicylates: Drug Description of Interaction Heparin Salicylate decreases platelet adhesivesness and interferes with hemostasis in heparin-treated patients Pyrazinamide Inhibits pyrazinamide-induced hyperuricemia Uricosuric Agents Effect of probenecid, sulfinpyrazone and phenylbutazone inhibited The following alterations of laboratory tests have been reported during salicylate therapy 6 : Laboratory Tests Effect of Salicylates Thyroid Function Decreased PBI; increased T 3 uptake Urinary Sugar False negative with glucose oxidase; false positive with Clinitest with high-dose salicylate therapy (2 - 5 g qd) 5 Hydroxyindole Acetic Acid False negative with fluorometric test Acetone, Ketone Bodies False positive FeCl 3 in Gerhardt reaction; red color persists with boiling 17-OH Corticosteroids False reduced values with >4.8 g qd salicylate Vanilmandelic Acid False reduced values Uric Acid May increase or decrease depending on dose Prothrombin Decreased levels; slightly increased prothrombin time Pregnancy (Category C) - 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 dose to monkeys may represent 4 times the maximum daily human dose of salicylic acid (as supplied in one tube, 40 g of Salicylic Acid 6% Gel) when applied topically over a large body surface. There are no adequate and well-controlled studies in pregnant women. Salicylic Acid 6% Gel should be used during pregnancy only if the potential benefit justifies the risk to the fetus. Nursing Mothers It is not known whether topically applied salicylic acid is excreted in human milk. Due to the fact that many drugs are excreted in human milk, caution should be exercised by physicians when administering Salicylic Acid 6% Gel to nursing mothers and nursing mothers should certainly not apply Salicylic Acid 6% Gel to the chest area or any other part of the body with which the nursing child s mouth is likely to come in contact. Because of the potential for serious advers reactions in nursing infants from the mother s use of Salicylic Acid 6% Gel, a decision should be made whether to discontinue nursing or to discontinue the drug, taking into account the importance of the drug to the mother. Carcinogenesis, Mutagenesis, Impairment of Fertility No data are available concerning potential carcinogenic or reproductive effects of Salicylic Acid 6% Gel. It has been shown to lack mutagenic potential in the Ames Salmonella test. KEEP THIS AND ALL OTHER MEDICATIONS OUT OF THE REACH OF CHILDREN. Adverse Reactions Excessive erythema and scaling conceivably could result from use on open skin lesions. Overdosage See WARNINGS Salicylic Acid Gel Dosage and Administration The preferable method of use is to apply Salicylic Acid 6% Gel thoroughly to the affected area and occlude the area at night. 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 Salicylic Acid 6% Gel will usually maintain the remission. In those areas where occlusion is difficult or impossible, application may be made more frequently; hydration by wet packs or baths prior to application apparently enhances the effect. Unless hands are being treated, hands should be rinsed thoroughly after application. How is Salicylic Acid Gel Supplied Salicylic Acid 6% Gel is supplied in a 40 gram plastic tube bearing the NDC Number 42192-134-40. Store at controlled room temperature 15 - 30 C (59 - 86 F). REFERENCES: Davies M, Marks R: Br J Dermatol 95: 187-192, 1976. Mars R, Davies M, Cattel A: J Invest Dermatol 64: 283, 1975. Huber C, Christophers E: Arch Derm Res 257: 293-297, 1977. Taylor JR, Halprin KM: Arch Dermatol 111: 740-743, 1975. Goldsmith LA: Int J Dermatol 18: 32-36. Wilson JG, Ritter EJ, Scott WJ, Fradlein R: Tox Appl Pharmacol 41: 67-78, 1977. All prescription substitutions using this product shall be made subject to state and federal statutes as applicable. NOTE: this is not an Orange Book product and has not been subjected to FDA therapeutic equivalency or other equivalency testing. No representation is made as to generic status or bioequivalency. Each person recommending a prescription substitution using this product shall make such recommendations based on each such person s professional opinion and knowledge, upon evaluating the active ingredients, excipients, inactive ingredients and chemical formulation information provided herein. MANUFACTURED FOR Acella Pharmaceuticals, LLC Alpharetta, GA 30009 1-800-541-4802 Rev. 0511v2 PRINCIPAL DISPLAY PANEL - 40 g container label NDC 42192-134-40 Salicylic Acid 6% GEL Rx only FOR TOPICAL USE NOT FOR OPHTHALMIC USE Net Wt. 40 g Acella PHARMACEUTICALS, LLC SALICYLIC ACID Salicylic Acid Gel Product Information Product Type HUMAN PRESCRIPTION DRUG LABEL Item Code (Source) NDC:42192-134 Route of Administration TOPICAL DEA Schedule Active Ingredient/Active Moiety Ingredient Name Basis of Strength Strength SALICYLIC ACID (SALICYLIC ACID) SALICYLIC ACID 60 mg in 1 g Inactive Ingredients Ingredient Name Strength PROPYLENE GLYCOL ALCOHOL HYDROXYPROPYL CELLULOSE (TYPE H) WATER Packaging # Item Code Package Description 1 NDC:42192-134-40 1 TUBE (1 TUBE) in 1 CARTON 1 40 g in 1 TUBE Marketing Information Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date UNAPPROVED DRUG OTHER 05/19/2011 Labeler - Acella Pharmaceuticals, LLC (825380939) Revised: 10/2012 Acella Pharmaceuticals, LLC Next Interactions Print this page Add to My Med List More about salicylic acid topical Side Effects Dosage Information Drug Interactions Compare Alternatives Support Group Pricing & Coupons En Español 7 Reviews Add your own review/rating Drug class: topical acne agents Consumer resources Salicylic acid topical ... +12 more Professional resources Salicylic Acid (AHFS Monograph) Salicylic Acid (FDA) Salicylic Acid Foam (FDA) Salicylic Acid Liquid (FDA) Salicylic Acid Lotion (FDA) ... +3 more Other brands: Salacyn , KeralytGel , Virasal , Keralyt Shampoo , ... +11 more Related treatment guides Dermatological Disorders Warts Acne Dandruff} FEATURED: CAR-T Cell Therapy Overview Mechanism of Action KTE-C19 Studies KTE-C19 Cancer Targets Adverse Events Manufacturing Drug Status Rx OTC Availability Rx and/or OTC C Pregnancy Category Risk cannot be ruled out N/A CSA Schedule Not a controlled drug Manufacturers Perrigo Company Acella Pharmaceuticals, LLC Drug Class Topical acne agents Topical keratolytics Related Drugs topical acne agents clindamycin topical , erythromycin topical , tretinoin topical , tetracycline topical , dapsone topical , Finacea topical keratolytics salicylic acid topical , Compound W , Condylox , Duofilm Warts salicylic acid topical , Compound W , Duofilm , silver nitrate topical , Virasal , More... 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