Label: SODIUM SULFACETAMIDE, SULFUR- sulfacetamide sodium, sulfur cream
- NDC Code(s): 44523-520-02
- Packager: BioComp Pharma, Inc.
- Category: HUMAN PRESCRIPTION DRUG LABEL
- DEA Schedule: None
- Marketing Status: unapproved drug other
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Updated January 11, 2021
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- SPL UNCLASSIFIED SECTION
Each gram contains 100 mg of sodium sulfacetamide and 50 mg of colloidal sulfur in a vehicle consisting of: benzyl alcohol, cetyl alcohol, chromium oxide green, disodium EDTA, fragrance, glyceryl stearate (and) PEG-100 stearate, magnesium aluminum silicate, PEG-150 distearate, phenoxyethanol, polyethylene glycol 400, purified water, sodium lauryl sulfate, sodium thiosulfate, stearyl alcohol and xanthan gum.
Sodium sulfacetamide is a sulfonamide with antibacterial activity while sulfur acts as a keratolytic agent. Sodium sulfacetamide is C 8H 9N 2NaO 3S·H 2O with molecular weight of 254.24. Chemically, sodium sulfacetamide is N-[(4-aminophenyl) sulfonyl]-acetamide, monosodium salt, monohydrate. The structural formula is:
Sodium sulfacetamide is an odorless, white, crystalline powder with a bitter taste. It is freely soluble in water, sparingly soluble in alcohol, while practically insoluble in benzene, in chloroform and in ether.
The most widely accepted mechanism of action of sulfonamides is the Woods-Fildes theory, which is based on the fact that sulfonamides act as competitive antagonists to para-aminobenzoic acid (PABA), an essential component for bacterial growth. While absorption through intact skin has not been determined, sodium sulfacetamide is readily absorbed from the gastrointestinal tract when taken orally and excreted in the urine, largely unchanged. The biological half-life has variously been reported as 7 to 12.8 hours.
The exact mode of action of sulfur in the treatment of acne is unknown, but it has been reported that it inhibits the growth of Propionibacterium acnes and the formation of free fatty acids.
Sulfonamides are known to cause Stevens-Johnson syndrome in hypersensitive individuals. Stevens-Johnson syndrome also has been reported following the use of sodium sulfacetamide topically. Cases of drug-induced systemic lupus erythematosus from topical sulfacetamide also have been reported. In one of these cases, there was a fatal outcome.
KEEP OUT OF THE REACH OF CHILDREN.
FOR EXTERNAL USE ONLY. NOT FOR OPHTHALMIC USE.
General: Nonsusceptible organisms, including fungi, may proliferate with the use of this preparation.
Although rare, sensitivity to sodium sulfacetamide may occur. Therefore, caution and careful supervision should be observed when prescribing this drug for patients who may be prone to hypersensitivity to topical sulfonamides. If the use of this product produces signs of hypersensitivity or other untoward reactions, discontinue use of the preparation. Patients should be carefully observed for possible local irritation or sensitization during long-term therapy. Systemic toxic reactions such as agranulocytosis, acute hemolytic anemia, purpura hemorrhagica, drug fever, jaundice and contact dermatitis indicate hypersensitivity to sulfonamides. Particular caution should be employed if areas of denuded or abraded skin are involved. Systemic absorption of topical sulfonamides is greater following application to large, infected, abraded, denuded or severely burned areas. Under these circumstances, any of the adverse effects produced by the systemic administration of these agents could potentially occur, and appropriate observations and laboratory determinations should be performed.
The object of this therapy is to achieve desquamation without irritation, but sodium sulfacetamide and sulfur can cause reddening and scaling of the epidermis. These side effects are not unusual in the treatment of acne vulgaris, but patients should be cautioned about the possibility.
Information for Patients: Patients should discontinue the use of this product if the condition becomes worse or if a rash develops in the area being treated or elsewhere. The use of this product also should be discontinued promptly and the physician notified if any arthritis, fever or sores in the mouth develop. Avoid contact with eyes, lips and mucous membranes.
Drug Interactions: This product is incompatible with silver preparations.
Pharmacology: Sodium sulfacetamide exerts a bacteriostatic effect against sulfonamide sensitive Gram-positive and Gram-negative microorganisms commonly isolated from secondary cutaneous pyogenic infections.
Carcinogenesis, Mutagenesis and Impairment of Fertility: Long-term animal studies for carcinogenic potential have not been performed on this product to date. Studies on reproduction and fertility also have not been performed. Chromosomal nondisjunction has been reported in the yeast, Saccharomyces cerevisiae, following application of sodium sulfacetamide. The significance of this finding to the topical use of sodium sulfacetamide in the human is unknown.
Pregnancy: Category C. Animal reproduction studies have not been conducted with this product. It is also not known whether this product can affect reproduction capacity or cause fetal harm when administered to a pregnant woman. This product should be used by a pregnant woman only if clearly needed or when potential benefits outweigh potential hazards to the fetus.
Nursing Mothers: It is not known whether this drug is excreted in human milk. Because many drugs are excreted in human milk, caution should be exercised when this product is administered to a nursing woman.
Pediatric Use: Safety and effectiveness in children under the age of 12 years have not been established.
Reports of irritation and hypersensitivity to sodium sulfacetamide are uncommon. The following adverse reactions, reported after administration of sterile ophthalmic sodium sulfacetamide, are noteworthy: instances of Stevens-Johnson syndrome and instances of local hypersensitivity which progressed to a syndrome resembling systemic lupus erythematosus; in one case a fatal outcome was reported (see WARNINGS).
The oral LD 50 of sulfacetamide in mice is 16.5 g/kg. In the event of overdosage, emergency treatment should be started immediately.
Manifestations: Overdosage may cause nausea and vomiting. Large oral overdosage may cause hematuria, crystalluria and renal shutdown due to the precipitation of sulfa crystals in the renal tubules and the urinary tract. For treatment, contact your local Poison Control Center or your doctor.
- DOSAGE AND ADMINISTRATION:
Store at 20°C to 25°C (68°F to 77°F), excursions permitted between 15°C and 30°C (between 59°F and 86°F). Brief exposure to temperatures up to 40°C (104°F) may be tolerated provided the mean kinetic temperature does not exceed 25°C (77°F); however, such exposure should be minimized.
NOTICE: Protect from freezing and excessive heat. The product may tend to darken slightly on storage. Slight discoloration does not impair the efficacy or safety of the product. Keep bottle tightly closed.
Occasionally, a slight discoloration of fabric may occur when an excessive amount of the product is used and comes in contact with white fabrics. This discoloration, however, presents no problem, as it is readily removed by ordinary laundering without bleaches.
- HOW SUPPLIED:
- PRINCIPAL DISPLAY PANEL
INGREDIENTS AND APPEARANCE
SODIUM SULFACETAMIDE, SULFUR
sulfacetamide sodium, sulfur cream
Product Information Product Type HUMAN PRESCRIPTION DRUG Item Code (Source) NDC:44523-520 Route of Administration TOPICAL Active Ingredient/Active Moiety Ingredient Name Basis of Strength Strength SULFACETAMIDE SODIUM (UNII: 4NRT660KJQ) (SULFACETAMIDE - UNII:4965G3J0F5) SULFACETAMIDE SODIUM 100 mg in 1 g SULFUR (UNII: 70FD1KFU70) (SULFUR - UNII:70FD1KFU70) SULFUR 50 mg in 1 g Inactive Ingredients Ingredient Name Strength PEG-100 STEARATE (UNII: YD01N1999R) EDETATE DISODIUM (UNII: 7FLD91C86K) GLYCERYL MONOSTEARATE (UNII: 230OU9XXE4) BENZYL ALCOHOL (UNII: LKG8494WBH) CETYL ALCOHOL (UNII: 936JST6JCN) CHROMIC OXIDE (UNII: X5Z09SU859) POLYETHYLENE GLYCOL 400 (UNII: B697894SGQ) WATER (UNII: 059QF0KO0R) SODIUM LAURYL SULFATE (UNII: 368GB5141J) SODIUM THIOSULFATE (UNII: HX1032V43M) STEARYL ALCOHOL (UNII: 2KR89I4H1Y) XANTHAN GUM (UNII: TTV12P4NEE) MAGNESIUM ALUMINUM SILICATE (UNII: 6M3P64V0NC) PEG-150 DISTEARATE (UNII: 6F36Q0I0AC) PHENOXYETHANOL (UNII: HIE492ZZ3T) Product Characteristics Color green Score Shape Size Flavor Imprint Code Contains Packaging # Item Code Package Description Marketing Start Date Marketing End Date 1 NDC:44523-520-02 57 g in 1 BOTTLE, PLASTIC; Type 0: Not a Combination Product 09/15/2011 Marketing Information Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date unapproved drug other 09/15/2011 Labeler - BioComp Pharma, Inc. (829249718)