NEO POLYCIN- neomycin and polymyxin b sulfates and bacitracin zinc ointment
Neo Polycin by
Drug Labeling and Warnings
Neo Polycin by is a Prescription medication manufactured, distributed, or labeled by Padagis US LLC. Drug facts, warnings, and ingredients follow.
Drug Details [pdf]
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DESCRIPTION:
Neomycin and polymyxin B sulfates and bacitracin zinc ophthalmic ointment is a sterile antimicrobial ointment for ophthalmic use. Each gram contains: neomycin sulfate equivalent to 3.5 mg neomycin base, polymyxin B sulfate equivalent to 10,000 polymyxin B units, bacitracin zinc equivalent to 400 bacitracin units in a white petrolatum and mineral oil base.
Neomycin sulfate is the sulfate salt of neomycin B and C, which are produced by the growth of Streptomyces fradiae Waksman (Fam. Streptomycetaceae). It has a potency equivalent of not less than 600 μg of neomycin standard per mg, calculated on an anhydrous basis. The structural formulae are:
Polymyxin B sulfate is the sulfate salt of polymyxin B1 and B2, which are produced by the growth of Bacillus polymyxa (Prazmowski) Migula (Fam. Bacillaceae). It has a potency of not less than 6,000 polymyxin B units per mg, calculated on an anhydrous basis. The structural formulae are:
Bacitracin zinc is the zinc salt of bacitracin, a mixture of related cyclic polypeptides (mainly bacitracin A) produced by the growth of an organism of the licheniformis group of Bacillus subtilis var Tracy. It has a potency of not less than 40 bacitracin units per mg. The structural formula is:
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CLINICAL PHARMACOLOGY:
A wide range of antibacterial action is provided by the overlapping spectra of neomycin, polymyxin B sulfate, and bacitracin.
Neomycin is bactericidal for many gram-positive and gram-negative organisms. It is an aminoglycoside antibiotic which inhibits protein synthesis by binding with ribosomal RNA and causing misreading of the bacterial genetic code.
Polymyxin B is bactericidal for a variety of gram-negative organisms. It increases the permeability of the bacterial cell membrane by interacting with the phospholipid components of the membrane.
Bacitracin is bactericidal for a variety of gram-positive and gram-negative organisms. It interferes with bacterial cell wall synthesis by inhibition of the regeneration of phospholipid receptors involved in peptidoglycan synthesis.
Microbiology:
Neomycin sulfate, polymyxin B sulfate, and bacitracin zinc together are considered active against the following microorganisms: Staphylococcus aureus, streptococci including Streptococcus pneumoniae, Escherichia coli, Haemophilus influenzae, Klebsiella/Enterobacter species, Neisseria species, and Pseudomonas aeruginosa. The product does not provide adequate coverage against Serratia marcescens.
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WARNINGS:
NOT FOR INJECTION INTO THE EYE. Neomycin and polymyxin B sulfates and bacitracin zinc ophthalmic ointment should never be directly introduced into the anterior chamber of the eye. Ophthalmic ointments may retard corneal wound healing.
Topical antibiotics, particularly neomycin sulfate, may cause cutaneous sensitization. A precise incidence of hypersensitivity reactions (primarily skin rash) due to topical antibiotics is not known. The manifestations of sensitization to topical antibiotics are usually itching, reddening, and edema of the conjunctiva and eyelid. A sensitization reaction may manifest simply as a failure to heal. During long-term use of topical antibiotic products, periodic examination for such signs is advisable, and the patient should be told to discontinue the product if they are observed. Symptoms usually subside quickly on withdrawing the medication.
Application of products containing these ingredients should be avoided for the patient thereafter (see PRECAUTIONS: General).
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PRECAUTIONS:
General:
As with other antibiotic preparations, prolonged use of neomycin and polymyxin B sulfates and bacitracin zinc ophthalmic ointment may result in overgrowth of nonsusceptible organisms including fungi. If superinfection occurs, appropriate measures should be initiated. Bacterial resistance to neomycin and polymyxin B sulfates and bacitracin zinc ophthalmic ointment may also develop. If purulent discharge, inflammation, or pain becomes aggravated, the patient should discontinue use of the medication and consult a physician. There have been reports of bacterial keratitis associated with the use of topical ophthalmic products in multiple-dose containers which have been inadvertently contaminated by patients, most of whom had a concurrent corneal disease or a disruption of the ocular epithelial surface (see PRECAUTIONS: Information for Patients). Allergic cross-reactions may occur which could prevent the use of any or all of the following antibiotics for the treatment of future infections: Kanamycin, paromomycin, streptomycin, and possibly gentamicin.
Information for Patients:
Patients should be instructed to avoid allowing the tip of the dispensing container to contact the eye, eyelid, fingers, or any other surface. The use of this product by more than one person may spread infection. Patients should also be instructed that ocular products, if handled improperly, can become contaminated by common bacteria known to cause ocular infections. Serious damage to the eye and subsequent loss of vision may result from using contaminated products (see PRECAUTIONS: General). If the condition persists or gets worse, or if a rash or allergic reaction develops, the patient should be advised to stop use and consult a physician. Do not use this product if you are allergic to any of the listed ingredients. Keep tightly closed when not in use. Keep out of reach of children.
Carcinogenesis, Mutagenesis, Impairment of Fertility:
Long-term studies in animals to evaluate carcinogenic or mutagenic potential have not been conducted with polymyxin B sulfate or bacitracin. Treatment of cultured human lymphocytes in vitro with neomycin increased the frequency of chromosome aberrations at the highest concentration (80 μg/mL) tested; however, the effects of neomycin on carcinogenesis and mutagenesis in humans are unknown. Polymyxin B has been reported to impair the motility of equine sperm, but its effects on male or female fertility are unknown. No adverse effects on male or female fertility, litter size, or survival were observed in rabbits given bacitracin zinc 100 gm/ton of diet.
Pregnancy Category C.
Animal reproduction studies have not been conducted with neomycin sulfate, polymyxin B sulfate or bacitracin. It is also not known whether neomycin and polymyxin B sulfates and bacitracin zinc ophthalmic ointment can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity. Neoymcin and polymyxin B sulfates and bacitracin zinc ophthalmic ointment should be given to a pregnant woman only if clearly needed.
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ADVERSE REACTIONS:
Adverse reactions have occurred with the anti-infective components of neomycin and polymyxin B sulfates and bacitracin zinc ophthalmic ointment. The exact incidence is not known. Reactions occurring most often are allergic sensitization reactions including itching, swelling, and conjunctival erythema (see WARNINGS). More serious hypersensitivity reactions, including anaphylaxis, have been reported rarely. Local irritation on instillation has also been reported.
To report SUSPECTED ADVERSE REACTIONS, contact Perrigo at 1-866-634-9120 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
- DOSAGE AND ADMINISTRATION
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PACKAGE/LABEL PRINCIPAL DISPLAY PANEL - Carton
Rx Only
NDC 0574-4250-35
STERILE
Neo-Polycin®
neomycin and polymyxin B sulfates and bacitracin zinc
Ophthalmic Ointment USP
NET WT 3.5 g (1/8 oz)
The following image is a placeholder representing the product identifier that is either affixed or imprinted on the drug package label during the packaging operation.
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INGREDIENTS AND APPEARANCE
NEO POLYCIN
neomycin and polymyxin b sulfates and bacitracin zinc ointmentProduct Information Product Type HUMAN PRESCRIPTION DRUG Item Code (Source) NDC: 0574-4250 Route of Administration OPHTHALMIC Active Ingredient/Active Moiety Ingredient Name Basis of Strength Strength NEOMYCIN SULFATE (UNII: 057Y626693) (NEOMYCIN - UNII:I16QD7X297) NEOMYCIN 3.5 mg in 1 g POLYMYXIN B SULFATE (UNII: 19371312D4) (POLYMYXIN B - UNII:J2VZ07J96K) POLYMYXIN B 10000 [USP'U] in 1 g BACITRACIN ZINC (UNII: 89Y4M234ES) (BACITRACIN - UNII:58H6RWO52I) BACITRACIN 400 [USP'U] in 1 g Inactive Ingredients Ingredient Name Strength PETROLATUM (UNII: 4T6H12BN9U) MINERAL OIL (UNII: T5L8T28FGP) Packaging # Item Code Package Description Marketing Start Date Marketing End Date 1 NDC: 0574-4250-35 1 in 1 CARTON 01/05/2015 1 3.5 g in 1 TUBE; Type 0: Not a Combination Product Marketing Information Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date ANDA ANDA060764 01/05/2015 Labeler - Paddock Laboratories, LLC (967694121)
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