Sulfacetamide Sodium Ophthalmic Solution 10% is a sterile topical antibacterial agents for ophthalmic use. The active ingredient is represented by the following structural formula:
C8H9N2Na03S • H2O
MW = 254.24
Chemical Name:
N-Sulfanilylacetamide monosodium salt monohydrate.
Contains:
Active: Sulfacetamide Sodium 10% (100 mg/mL).
Preservative: methylparaben and propylparaben
Inactives: sodium thiosulfate, methylcellulose, and monobasic sodium phosphate
CLINICAL PHARMACOLOGY
Microbiology: The sulfonamides are bacteriostatic agents and the spectrum of activity is similar for all. Sulfonamides inhibit bacterial synthesis of dihydrofolic acid by preventing the condensation of the pteridine with aminobenzoic acid through competitive inhibition of the enzyme dihydropteroate synthetase. Resistant strains have altered dihydropteroate synthetase with reduced affinity for sulfonamides or produce increased quantities of aminobenzoic acid.
Topically applied sulfonamides are considered active against susceptible strains of the following common bacterial eye pathogens: Escherichia coli, Staphylococcus aureus, Streptococcus pneumoniae, Streptococcus (viridans group), Haemophilus influenzae, Klebsiella species, and Enterobacter species.
Topically applied sulfonamides do not provide adequate coverage against Neisseria species, Serratia marcescens and Pseudomonas aeruginosa. A significant percentage of staphylococcal isolates are completely resistant to sulfa drugs.
INDICATIONS AND USAGE
Sulfacetamide Sodium Ophthalmic Solution USP, 10% is indicated for the treatment of conjunctivitis and other superficial ocular infections due to susceptible microorganisms, and as an adjunctive in systemic sulfonamide therapy of trachoma:
Escherichia coli, Staphylococcus aureus, Streptococcus pneumoniae, Streptococcus (viridans group), Haemophilus influenzae, Klebsiella species, and Enterobacter species.
Topically applied sulfonamides do not provide adequate coverage against Neisseria species, Serratia marcescens and Pseudomonas aeruginosa. A significant percentage of staphylococcal isolates are completely resistant to sulfa drugs.
Contraindications
Sulfacetamide Sodium Ophthalmic Solution is contraindicated in individuals who have a hypersensitivity to sulfonamides or to any ingredient of the preparation.
WARNINGS
FOR TOPICAL EYE USE ONLY - NOT FOR INJECTION.
FATALITIES HAVE OCCURRED, ALTHOUGH RARELY, DUE TO SEVERE REACTIONS TO SULFONAMIDES INCLUDING STEVENS-JOHNSON SYNDROME, TOXIC EPIDERMAL NECROLYSIS, FULMINANT HEPATIC NECROSIS, AGRANULOCYTOSIS, APLASTIC ANEMIA AND OTHER BLOOD DYSCRASIAS. Sensitizations may recur when a sulfonamide is readministered, irrespective of the route of administration. Sensitivity reactions have been reported in individuals with no prior history of sulfonamide hypersensitivity. At the first sign of hypersensitivity, skin rash or other serious reaction, discontinue use of this preparation.
PRECAUTIONS
General
Prolonged use of topical antibacterial agents may give rise to overgrowth of nonsusceptible organisms including fungi. Bacterial resistance to sulfonamides may also develop.
The effectiveness of sulfonamides may be reduced by the para-aminobenzoic acid present in purulent exudates.
Sensitization may recur when a sulfonamide is readministered irrespective of the route of administration, and cross-sensitivity between different sulfonamides may occur.
At the first sign of hypersensitivity, increase in purulent discharge, or aggravation of inflammation or pain, the patient should discontinue use of the medication and consult a physician (See WARNINGS).
Information for Patients
To avoid contamination, do not touch tip of container to the eye, eyelid or any surface.
Drug Interactions
Sulfacetamide preparations are incompatible with silver preparations.
Carcinogenesis, Mutagenesis, Impairment of Fertility
No studies have been conducted in animals or in humans to evaluate the possibility of these effects with ocularly administered sulfacetamide. Rats appear to be especially susceptible to the goitrogenic effects of sulfonamides, and long-term oral administration of sulfonamides has resulted in thyroid malignancies in these animals.
Pregnancy
Pregnancy Category C. Animal reproduction studies have not been conducted with sulfonamide ophthalmic preparations. Kernicterus may occur in the newborn as a result of treatment of a pregnant woman at term with orally administered sulfonamides. There are no adequate and well controlled studies of sulfonamide ophthalmic preparations in pregnant women and it is not known whether topically applied sulfonamides can cause fetal harm when administered to a pregnant woman. This product should be used in pregnancy only if the potential benefit justifies the potential risk to the fetus.
Nursing Mothers
Systematically administered sulfonamides are capable of producing kernicterus in infants of lactating women. Because of the potential for the development of kernicterus in neonates, a decision should be made whether to discontinue nursing or discontinue the drug taking into account the importance of the drug to the mother.
Pediatric Use
Safety and effectiveness in children below the age of two months have not been established.
ADVERSE REACTIONS
Bacterial and fungal corneal ulcers have developed during treatment with sulfonamide ophthalmic preparations.
The most frequently reported reactions are local irritation, stinging and burning. Less commonly reported reactions include non-specific conjunctivitis, conjunctival hyperemia, secondary infections and allergic reactions.
Fatalities have occurred, although rarely, due to severe reactions to sulfonamides including Stevens-Johnson syndrome, toxic epidermal necrolysis, fulminant hepatic necrosis, agranulocytosis, aplastic anemia, and other blood dyscrasias (See WARNINGS).
DOSAGE AND ADMINISTRATION
For conjunctivitis and other superficial ocular infections:
Instill one or two drops into the conjunctival sac(s) of the affected eye(s) every two to three hours initially. Dosages may be tapered by increasing the time interval between doses as the condition responds. The usual duration of treatment is seven to ten days.
For trachoma:
Instill two drops into the conjunctival sac(s) of the affected eye(s) every two hours. Topical administration must be accompanied by systemic administration.
HOW SUPPLIED
Sulfacetamide Sodium Ophthalmic Solution USP, 10% is supplied sterile in plastic bottles in the following sizes:
15 mL: NDC 61314-701-01
Note: Store between 8°-25°C (46°-77°F). Protect from light. Sulfonamide solutions, on long standing, will darken in color and should be discarded.
Rx Only
Dist. by:
FALCON Pharmaceuticals, Ltd
Fort Worth, Texas 76134
Mfd. by:
ALCON LABORATORIES, INC.
Fort Worth, Texas 76134
Printed in USA
340192-1102
PRINCIPAL DISPLAY PANEL
NDC 61314-701-01 Rx Only
FALCON PHARMACEUTICALS®
Sulfacetamide
Sodium
Ophthalmic
Solution USP
10%
15 mL STERILE
AFFILIATE OF
ALCON LABORATORIES, INC.
QUALITY RX
Repacked by:
H.J. Harkins Company, Inc.
Nipomo, CA 93444
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| Marketing Information | |||
| Marketing Category | Application Number or Monograph Citation | Marketing Start Date | Marketing End Date |
| ANDA | ANDA089560 | 03/25/2003 | |
| Labeler - H.J. Harkins Company, Inc. (147681894) |
| Registrant - Falcon Pharmaceuticals, Ltd. (874345820) |
| Establishment | |||
| Name | Address | ID/FEI | Operations |
| Alcon Laboratories, Inc. | 008018525 | MANUFACTURE | |
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