Neo-Poly-Bac with Hydrocortisone (Generic) Ophthalmic Ointment for Dogs & Cats, slide 1 of 1

Neo-Poly-Bac with Hydrocortisone (Generic) Ophthalmic Ointment for Dogs & Cats, 3.5-g

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Neo-Poly-Bac HC is a medicated ointment prescribed to help treat bacterial eye infections in dogs and cats. Applied directly, it treats conditions such as conjunctivitis, keratitis and keratoconjunctivitis, blepharitis and blepharoconjunctivitis to relieve irritated and infected eyes in pets. Customers may receive this drug under the names Vetropolycin HC, Cortisporin, Neobacimyx-H.

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Neo-Poly-Bac HC is used for the treatment of eye infections in dogs and cats; it's designed to be applied in the eye(s) and on the eyelids to treat bacterial infection and related swelling/inflammation in eyes/eyelids.

Possible Side Effects

Most pets can take this medication without any problems. Occasionally, temporary stinging has been reported. If ointment is accidentally ingested, your pet may experience increased drinking/urination. Extended use of this medication can cause infection to worsen. A serious allergic reaction is possible in some animals, particularly in cats. If your pet is acting unusual in any way while receiving this medication, call your veterinarian.

Drug & Food Interactions

Always tell your veterinarian about all other medications and supplements your pet is taking, as interactions may occur.


Pets who are allergic to any of the ingredients should not be given this medication. If there is unhealed fungal or viral infection in the eye, this medication should not be used. Use is also contraindicated if an ulcer is present in the eye.

NOTE: For Generic Medications, picture displayed may not depict actual product. Generic medications may vary from one order to the next by size, color and shape depending on manufacturer. Please note product may arrive in a Chewy Pharmacy vial.

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  1. Prescribing Information

See all items by Neo-Poly-Bac

  • Item Number
  • Common Brand Name(s)
    Vetropolycin HC, Cortisporin, Neobacimyx-H
  • For Use With
    Dogs & Cats
  • Generic Name
    Neomycin, Polymyxin B Sulfates, Bacitracin Zinc, Hydrocortisone
  • Administration Form
  • Product Form
  • Health Condition
    Eye Infections
  • Drug Type
    Antibiotic, Anti-inflammatory

Active Ingredients Per Gram: Bacitracin Zinc 400 units, Neomycin Sulfate 5 mg (equivalent to 3.5 mg of Neomycin base), Polymyxin B Sulfate 10,000 units, Hydrocortisone Acetate 10 mg (1%).

Inactive Ingredients: White Petrolatum, Mineral Oil.

Recommended Dosage

Use as directed by your vet. Apply the ointment every 3 or 4 hours for 7 to 10 days, depending on the severity of the infection.

Storage Instructions

Store at room temperatures of 59° - 86°F.


What is BNP Triple Antibiotic Ophthalmic Ointment with Hydrocortisone?

An ointment in the treatment of infections of the eye that is caused by bacteria.

What are the benefits of BNP Triple Antibiotic Ophthalmic Ointment with Hydrocortisone?

Successfully treats eye infections. Reduces swelling associated with bacterial infections. Works on a wide variety of bacteria.

How is this medication given?

Use this medication exactly as directed by your veterinarian. If you do not understand the directions ask the pharmacist or veterinarian to explain them to you. Wash your hands prior to using the eye ointment. Apply 1 drop of the solution or ¼ inch strip of the ointment in the affected eye(s) three or four times daily. Foreign bodies, crusted exudates, and debris should be carefully removed. Insert the tip of the tube beneath the lower lid and express a small quantity of the ointment into the conjunctival sac in dogs and cats. If applying another medication to the same eye, wait 10 minutes before the next application. Store this medication at 59° - 86 °F, away from moisture and heat. Keep the tube properly capped.

How does this medication work?

BNP Triple Antibiotic Ophthalmic Ointment with Hydrocortisone contains bacitracin, neomycin, and polymyxin B. These are antibiotics that treat bacterial infections. It also contains hydrocortisone, a corticosteroid that is used to treat swelling associated with bacterial infections of the eye.

What results can I expect?

Resolution of conjunctivitis or keratitis as evidenced by cytology, cultures, or remission of symptoms.

Rating: 4.6 of 5 stars 6 Reviews 6 Reviews 4.7 out of 5 Stars

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Rating: 4.6 of 5 stars 4.7 / 5

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6 Reviews

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  • 5 out of 5 stars

    great stuff

    By susie on Sep 9, 2021

    this product is amazing in clearing up eye infections.......we use it in our cattery

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  • 4 out of 5 stars

    Relief for Eye Injury

    By Catatonic on Apr 29, 2021

    My Cat was injured by 1 of his friends while feeding. Ointment has brought relief and is helping my Cat recover from an eye injury!

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  • 5 out of 5 stars

    Great Experience

    By Candy on Dec 28, 2020

    This was the first time I have ordered from Chewy. It was easy to place my order & so much cheaper than buying at my Vets office. Thank you Chewy for such a great experience!!

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  • 4 out of 5 stars

    Pharmacy order

    By Horns on Sep 10, 2020

    Exactly what we needed. Seems like pharmacy shipping took a long time compared to food shipments.

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  • 5 out of 5 stars

    Excellent medication

    By ECeron on Sep 29, 2020

    Great quality and composition of medication for diseases prescribed.

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  • 5 out of 5 stars

    Neo-Poly-Bac with Hydrocortisone

    By John on Jul 24, 2020

    Product arrived promptly. Bought from Chewy because vet's supply was backordered.

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