Find us on Social Media:

Neomycin, Polymyxin B, and Dexamethasone
What is it? Overview Usage Side Effects and Warnings

Neomycin, Polymyxin B, and Dexamethasone Overview

Written by FoundHealth.

(nee oh MYE sin, pol i MIKS in bee, & deks a METH a sone)

U.S. Brand Names

Maxitrol®; Poly-Dex™

Canadian Brand Names

Dioptrol®; Maxitrol®

Mexican Brand Names

Biodexan Ofteno; Dexsul; Neobacigrin; Soldrin Oftálmico

Pharmacologic Category

Antibiotic/Corticosteroid, Ophthalmic

Reasons not to take this medicine

• If you have an allergy to neomycin, polymyxin B, dexamethasone, or any other part of this medicine.

• Tell healthcare provider if you are allergic to any medicine. Make sure to tell about the allergy and how it affected you. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other symptoms involved.

How does it work?

• Neomycin and polymyxin B work to injure the bacteria and fight the infection.

• Dexamethasone prevents or reduces irritation and swelling.

How is it best taken?


• For the eye only.

• Wash hands before and after use.

• Shake well before use.

• Do not touch the container tip to the eye, lid, or other skin.

• Tilt head back and drop medicine into eye.

• After using medicine, keep your eyes closed. Apply pressure to the inside corner of the eye. Do this for 3-5 minutes. This keeps the medicine in your eye.

• Separate each eye medicine by 5 minutes.


• For the eye only.

• Wash hands before and after use.

• Place medicine inside the lower lid. Close the eye for 1-2 minutes. Roll eyeball around.

• Separate each eye medicine by 10 minutes.

What do I do if I miss a dose? (does not apply to patients in the hospital)

• Use a missed dose as soon as possible.

• If it is almost time for the next dose, skip the missed dose and return to your regular schedule.

• Do not use a double dose or extra doses.

What should I monitor?

• Change in condition being treated. Is it better, worse, or about the same?

• Follow up with healthcare provider.

How should I store this medicine?

• Store at room temperature.

General statements

• If you have a life-threatening allergy, wear allergy identification at all times.

• Do not share your medicine with others and do not take anyone else's medicine.

• Keep all medicine out of the reach of children and pets.

• Most medicines can be thrown away in household trash after mixing with coffee grounds or kitty litter and sealing in a plastic bag.

• Keep a list of all your medicines (prescription, natural products, supplements, vitamins, over-the-counter) with you. Give this list to healthcare provider (doctor, nurse, nurse practitioner, pharmacist, physician assistant).

• Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or in Canada to Health Canada's Canada Vigilance Program at 1-866-234-2345.

• Talk with healthcare provider before starting any new medicine, including over-the-counter, natural products, or vitamins.

Created: 2006-10-13 11:52:24.0

Modified: 2010-04-29 09:54:02.0

Lexi-PALS TM © (1977)-(2007) Lexi-Comp, Inc. All rights reserved.



No one has made any comments yet. Be the first!

Your Comment