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Bacitracin, neomycin, and polymyxin B (ophthalmic): Drug information

Bacitracin, neomycin, and polymyxin B (ophthalmic): Drug information
(For additional information see "Bacitracin, neomycin, and polymyxin B (ophthalmic): Patient drug information" and see "Bacitracin, neomycin, and polymyxin B (ophthalmic): Pediatric drug information")

For abbreviations, symbols, and age group definitions used in Lexicomp (show table)
Brand Names: US
  • Neo-Polycin
Brand Names: Canada
  • Diosporin [DSC]
Pharmacologic Category
  • Antibiotic, Ophthalmic
Dosing: Adult
Ocular infections

Ocular infections: Ophthalmic: Apply every 3 to 4 hours for 7 to 10 days.

Dosing: Kidney Impairment: Adult

There are no dosage adjustments provided in the manufacturer’s labeling.

Dosing: Hepatic Impairment: Adult

There are no dosage adjustments provided in the manufacturer’s labeling.

Dosing: Older Adult

Refer to adult dosing.

Dosing: Pediatric

(For additional information see "Bacitracin, neomycin, and polymyxin B (ophthalmic): Pediatric drug information")

Conjunctivitis

Conjunctivitis: Limited data available: Children and Adolescents: Ophthalmic: Apply 0.5 inch ribbon every 3 to 4 hours for acute infections, or 2 to 3 times per day for mild to moderate infections, for 7 to 10 days (Ref).

Dosing: Kidney Impairment: Pediatric

There are no dosage adjustments provided in the manufacturer’s labeling.

Dosing: Hepatic Impairment: Pediatric

There are no dosage adjustments provided in the manufacturer’s labeling.

Adverse Reactions

The following adverse drug reactions and incidences are derived from product labeling unless otherwise specified. Frequency not defined.

Dermatologic: Reddening, allergic contact dermatitis

Local: Itching, failure to heal, swelling, irritation

Ophthalmic: Conjunctival edema

Miscellaneous: Anaphylaxis

Contraindications

Hypersensitivity to neomycin, polymyxin B, bacitracin, or any component of the formulation

Warnings/Precautions

Concerns related to adverse effects:

• Neomycin sensitization: Neomycin may cause cutaneous sensitization. Symptoms of neomycin sensitization include itching, reddening, edema, and failure to heal. Discontinuation of product and avoidance of similar products should be considered.

• Ocular effects: May retard corneal wound healing.

• Superinfection: Prolonged use may lead to overgrowth of nonsusceptible organisms, including fungi. If superinfection is suspected, institute appropriate alternative therapy.

Other warnings/precautions:

• Appropriate use: For topical ophthalmic use only. Do not introduce directly into anterior chamber of the eye. Inadvertent contamination of multiple-dose ophthalmic tube tip has caused bacterial keratitis.

Dosage Forms: US

Excipient information presented when available (limited, particularly for generics); consult specific product labeling.

Ointment, Ophthalmic:

Neo-Polycin: Bacitracin 400 units, neomycin 3.5 mg, and polymyxin B 10,000 units per g (3.5 g)

Generic: Bacitracin 400 units, neomycin 3.5 mg, and polymyxin B 10,000 units per g (3.5 g)

Generic Equivalent Available: US

Yes

Pricing: US

Ointment (Neo-Polycin Ophthalmic)

3.5-400-10000 (per gram): $15.01

Ointment (Neomycin-Bacitracin Zn-Polymyx Ophthalmic)

5-400-10000 (per gram): $16.27

Disclaimer: A representative AWP (Average Wholesale Price) price or price range is provided as reference price only. A range is provided when more than one manufacturer's AWP price is available and uses the low and high price reported by the manufacturers to determine the range. The pricing data should be used for benchmarking purposes only, and as such should not be used alone to set or adjudicate any prices for reimbursement or purchasing functions or considered to be an exact price for a single product and/or manufacturer. Medi-Span expressly disclaims all warranties of any kind or nature, whether express or implied, and assumes no liability with respect to accuracy of price or price range data published in its solutions. In no event shall Medi-Span be liable for special, indirect, incidental, or consequential damages arising from use of price or price range data. Pricing data is updated monthly.

Dosage Forms: Canada

Excipient information presented when available (limited, particularly for generics); consult specific product labeling. [DSC] = Discontinued product

Ointment, Ophthalmic:

Diosporin: Bacitracin 500 units, neomycin 3.5 mg, and polymyxin B 10,000 units ([DSC])

Administration: Adult

For ophthalmic use only; not for injection into the eye. Avoid contamination of the tip of the ointment tube.

Administration: Pediatric

Ophthalmic: Wash hands prior to application; avoid contamination of the tip of the ointment tube

Use: Labeled Indications

Ocular infections: Treatment of superficial external ocular infections (eg, conjunctivitis, keratitis, keratoconjunctivitis, blepharitis, blepharoconjunctivitis) caused by susceptible organisms.

Metabolism/Transport Effects

None known.

Drug Interactions

There are no known significant interactions.

Pregnancy Considerations

Refer to individual monographs.

Breastfeeding Considerations

Refer to individual monographs.

Mechanism of Action

Bacitracin: Inhibits bacterial cell wall synthesis by preventing transfer of mucopeptides into the growing cell wall.

Neomycin: Interferes with bacterial protein synthesis by binding to 30S ribosomal subunits.

Polymyxin B: Binds to phospholipids, alters permeability, and damages the bacterial cytoplasmic membrane permitting leakage of intracellular constituents.

Pharmacokinetics (Adult Data Unless Noted)

See individual agents.

  1. Bacitracin zinc/neomycin sulfate/polymyxin b ophthalmic ointment [prescribing information]. Bridgewater, NJ: Bausch & Lomb; November 2016.
  2. Neo-Polycin (bacitracin zinc/neomycin sulfate/polymyxin b) ophthalmic ointment [prescribing information]. Minneapolis, MN: Perrigo Company; November 2013.
  3. Neo Polycin ointment (neomycin sulfate, polymyxin b sulfate, and bacitracin) [prescribing information]. Minnneapolis, MN: Perrigo; January 2014.
  4. Pichichero ME. Bacterial conjunctivitis in children: antibacterial treatment options in an era of increasing drug resistance. Clin Pediatr (Phila). 2011;50(1):7-13. [PubMed 20724317] 10.1177/0009922810379045
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