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Neocidin Side Effects

Generic Name: bacitracin / neomycin / polymyxin b ophthalmic

Note: This page contains side effects data for the generic drug bacitracin / neomycin / polymyxin b ophthalmic. It is possible that some of the dosage forms included below may not apply to the brand name Neocidin.

For the Consumer

Applies to bacitracin / neomycin / polymyxin b ophthalmic: ophthalmic ointment

As well as its needed effects, bacitracin / neomycin / polymyxin b ophthalmic may cause unwanted side effects that require medical attention.

Major Side Effects

If any of the following side effects occur while taking bacitracin / neomycin / polymyxin b ophthalmic, check with your doctor immediately:

More common:
  • Itching, rash, redness, swelling, or other sign of irritation not present before use of this medicine

After application, eye ointments usually cause your vision to blur for a few minutes.

For Healthcare Professionals

Applies to bacitracin / neomycin / polymyxin b ophthalmic: ophthalmic ointment


Hypersensitivity reactions including itching, swelling and conjunctival erythema have been reported. Anaphylaxis and other more serious hypersensitivity reactions have been reported rarely.[Ref]


Local side effects have included irritation upon administration.[Ref]


1. "Product Information. Neosporin Ophthalmic Ointment Sterile (bacitracin/neomycin/polymyxin B ophthalmic)." Monarch Pharmaceuticals Inc, Bristol, TN.

It is possible that some side effects of Neocidin may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.