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Drug Info > P > PMS-Polytrimethoprim
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DIN (Drug Identification Number)


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Brand Name

PMS-Polytrimethoprim

Common Name
trimethoprim - polymyxin b


In this drug factsheet:



DIN (Drug Identification Number)

02240363 PMS-POLYTRIMETHOPRIM OPH SOLUT

How does this medication work? What will it do for me?

This is a combination product that contains 2 ingredients: trimethoprim and polymyxin b. Both belong to the class of medications called antibiotics. When combined in eye drops, these ingredients are used to treat certain types of eye infections, including conjunctivitis (also known as "pink eye") and blepharitis (irritation along the eye lid). This medication works by killing the bacteria that cause the eye infection.

Your doctor may have suggested this medication for conditions other than those listed in these drug information articles. As well, some forms of this medication may not be used for all of the conditions discussed here. If you have not discussed this with your doctor or are not sure why you are using this medication, speak to your doctor. Do not stop using this medication without consulting your doctor.

Do not give this medication to anyone else, even if they have the same symptoms as you do. It can be harmful for people to take this medication if their doctor has not prescribed it.

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How should I use this medication?

The recommended dose for mild-to-moderate infections for adults and children over 2 months of age is to instill 1 or 2 drops in the affected eye every 3 hours (maximum of 6 doses daily) for a period of 7 to 10 days, or as directed by doctor.

For more severe infections, your doctor may instruct you to use 1 or 2 drops in the affected eye(s) every hour until improvement occurs. The dose will then be reduced to 1 or 2 drops every 3 hours. Refer to the package insert and ask your doctor or pharmacist about the proper administration of eye drops.

Many things can affect the dose of medication that a person needs, such as body weight, other medical conditions, and other medications. If your doctor has recommended a dose different from the ones listed here, do not change the way that you are using the medication without consulting your doctor.

The following procedure is recommended when using the eye drops:

  1. Wash your hands.
  2. Shake the bottle of eye drops to ensure the liquid is evenly distributed.
  3. Tilt your head back and gently pull the lower eyelid away from the eye to make a pouch under the eye.
  4. Drop the medicine into this space and then let go of the eyelid and gently close your eyes.
  5. Do not blink.
  6. Keep your eyes closed and apply gentle pressure to the inner corner of your eye with your finger for 1 or 2 minutes to prevent excessive absorption into the body.
  7. Wash your hands to remove any of the drops that may have got on them.
  8. Do not touch the dropper or the applicator tip to any surface (including the eye).

Use this medication for the total time period recommended by your doctor, even if you start to feel better. This will reduce the chance of the infection returning and being harder to treat.

It is important to use this medication exactly as prescribed by your doctor. If you miss a dose, use it as soon as possible and continue with your regular schedule. If it is almost time for your next dose, skip the missed dose and continue with your regular dosing schedule. Do not instill a double dose to make up for a missed one. If you are not sure what to do after missing a dose, contact your doctor or pharmacist for advice.

Store this medication at room temperature (15°C to 25°C) and, protect it from light. Keep it out of the reach of children.

Do not dispose of medications in wastewater (e.g. down the sink or in the toilet) or in household garbage. Ask your pharmacist how to dispose of medications that are no longer needed or have expired.





What form(s) does this medication come in?

This medication is available as an ophthalmic solution.

Who should NOT take this medication?

Do not use this mediction if you are allergic to trimethoprim, polymyxin b, or any ingredients of the medication.



 

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