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Poly-Dex (ophthalmic)

Generic name: Dexamethasone, neomycin, and polymyxin B (ophthalmic) (also known as DEX-aMETH-a-sone, NEE-oh-mye, and POL-ee MIX-off-THAL-mik).
Names of brands: Maxitrol, Poly-Dex Ocu-Trol, Maxitrol
Classification of drugs: ophthalmic steroids with anti-infectives

What is Poly-Dex Ophthalmic?

Poly-Dex (for the eyes) is an anti-inflammatory and steroid medication that is used to treat inflammation of the eyes caused by uveitis, eye injuries, chemical burns, radiation, or other ailments. Poly-Dex can be used if there is a possibility of an infection caused by bacteria within or around the eye. Poly-Dex is also employed for other purposes that are not covered in this medication guide.

Side Effects of Poly-Dex Ophthalmic

Contact a medical professional immediately. If you are experiencing symptoms that indicate an allergic reaction, such as difficulty breathing, hives, or swelling of your lips, face, or tongue,

Poly-Dex can cause serious adverse side effects. Contact your physician immediately if you suffer from:

  • Blurred ision blurred vision, tunnel vision, eye pain, or seeing halos around light sources;
  • Redness, swelling, extreme pain, crusting, or dripping (which may be a sign of inflammation);
  • Pain behind your eyes, sudden vision changes, or
  • A wound that won't heal.

Common adverse consequences of Poly-Dex can include:

  • Blurred vision or
  • Moderate eye irritation of the eye.

This isn't an exhaustive list of all the side effects. Other side effects could be present. Consult your physician for advice regarding medical adverse effects. You can report any side effects to the FDA at 1-800-FDA-1088.

Related drugs

prednisone, ciprofloxacin ophthalmic, diclofenac ophthalmic, azithromycin ophthalmic, dexamethasone ophthalmic, triamcinolone ophthalmic, triamcinolone


This medication is recommended if you are suffering from an ocular infection that is fungal or a virus infection within your eye (including herpes simplex).

Prior to use this drug

This medication is recommended if you have an allergy to dexamethasone, neomycin, and polymyxin or suffer from a viral or fungal eye infection (including herpes simplex).

Speak to your doctor if you have ever suffered from:

  • Glaucoma;
  • Cataracts, or if they require cataract surgical treatment or
  • An allergic reaction that occurs to medication such as neomycin, a medicine that causes an allergic reaction (such as the drug kanamycin, paromomycin, streptomycin, or gentamicin).

It isn't known if this medication could affect a newborn baby. Consult your physician if you are expecting. It is not recommended to breastfeed while using this medication. Consult your physician about any potential risks. Don't give the medication to children without medical guidance.

How to take Poly-Dex?

Follow all instructions on the label of your prescription and also read all medication guides or instructions sheets. Follow the medication precisely as directed. Wash your hands after applying eye medications.

To apply the drops to your eyes, tilt your head back slightly, then pull down your lower eyelids to create tiny pockets. Then, hold the dropper over the eye and squeeze the drop into the pocket. Then, close your eyes for one or two minutes. Only use the number of drops prescribed by your doctor.

To apply the ointment Reposition your head, and then lower the lower eyelids to create small pockets. Make sure you squeeze a small amount of ointment out of the tube and place it in your pocket. Make sure you blink your eyes gently and close them for a couple of minutes. Remove any leftover eyelash ointment with a clean tissue. Don't touch the edge of the dropper ointment tube or put it directly over your eyes. The contaminated tip could affect your eye and result in severe vision issues.

Contact your physician if your symptoms don't improve after two treatments. If you are taking this medicine for longer than 10 consecutive days, it is possible that you will require frequent examinations of your vision to assess the pressure in your eyes. The medicine should be stored at room temperature. Don't put it in a freezer. Close the tube when not using it. Keep the eye drops in an upright position.

How do I deal with it if I do not take a dose?

Take the medication as quickly as you can; however, do not miss any missed doses if it's close to the time for the next dose. Don't take two doses in one go.

What happens if I overdose?

A dose of Poly-Dex Ophthalmic isn't expected to pose a risk. Should you accidentally consume medicine by accident, seek medical assistance immediately or contact the poison control line on 1-800-222-1222 as soon as possible for advice or call their poison help line for support at 1-800-222-1222.

What should be avoided?

Don't share this medication with anyone else, even if they suffer from similar symptoms to yours.

The medicine can cause blurred vision and affect your reaction time. Avoid driving or engaging in hazardous activities until you are aware of the effects this medication can have on you.

Interaction with other drugs

The eye medicine is unlikely to be affected by any other medications you take. However, some drugs may interfere with one another. Be sure to inform your health professionals about all medicines you are taking, such as prescription and non-prescription medicines, vitamins, and herbal remedies.