Polytrim

Generic name: polymyxin B and trimethoprim ophthalmic
Drug class: Ophthalmic anti-infectives

Medically reviewed by  A Ras MD.

What is Polytrim used for?

Polytrim is a prescription medicine that is used to treat eye infections.

Description

POLYTRIM® (polymyxin B sulfate and trimethoprim ophthalmic solution, USP) is a sterile antimicrobial solution for topical ophthalmic use. It has pH of 4.0 to 6.2 and osmolality of 270 to 310 mOsm/kg.

Chemical Names:

Trimethoprim sulfate, 2,4-Diamino-5-(3,4,5-trimethoxybenzyl) pyrimidine sulfate, is a white, odorless, crystalline powder with a molecular weight of 678.72 and the following structural formula:

Polytrim

Polymyxin B sulfate is the sulfate salt of polymyxin B1 and B2 which are produced by the growth of Bacillus polymyxa (Prazmowski) Migula (Fam. Bacillaceae). It has a potency of not less than 6,000 polymyxin B units per mg, calculated on an anhydrous basis. The structural formulae are:

The structural formulae are Polymyxin B sulfate is the sulfate salt of polymyxin B1 and B2 which are produced by the growth of Bacillus polymyxa (Prazmowski) Migula (Fam. Bacillaceae). It has a potency of not less than 6,000 polymyxin B units per mg, calculated on an anhydrous basis.

Contains: Actives: polymyxin B sulfate 10,000 units/mL; trimethoprim sulfate equivalent to 1 mg/mL. Preservative: benzalkonium chloride 0.04 mg/mL. Inactives: purified water; sodium chloride; and sulfuric acid. May also contain sodium hydroxide to adjust the pH.

Before taking Polytrim, tell your doctor:

  • If you are allergic to Polytrim; any part of this medicine; or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had.

This medicine may interact with other drugs or health problems.

Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take Polytrim with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

What are some things I need to know or do while I take Polytrim?

  • Tell all of your health care providers that you take Polytrim. This includes your doctors, nurses, pharmacists, and dentists.
  • Use care when driving or doing other tasks that call for clear eyesight.
  • Do not use longer than you have been told. A second infection may happen.
  • Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using Polytrim while you are pregnant.
  • Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.

How is Polytrim best taken?

Use Polytrim as ordered by your doctor. Read all information given to you. Follow all instructions closely.

  • Use as you have been told, even if your signs get better.
  • For the eye only.
  • Avoid wearing contacts unless told to wear them by your doctor.
  • Do not touch the container tip to the eye, lid, or other skin.
  • Tilt your head back and drop drug into the eye.
  • After use, keep your eyes closed. Put pressure on the inside corner of the eye. Do this for 1 to 2 minutes. This keeps the drug in your eye.

What do I do if I miss a dose?

  • Use a missed dose as soon as you think about it.
  • If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
  • Do not use 2 doses at the same time or extra doses.

What are the side effects of Polytrim that I need to call my doctor about immediately?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

  • Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
  • Change in eyesight, eye pain, or very bad eye irritation.
  • Eyelid swelling.

What are some other side effects of Polytrim?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

  • Eye irritation.
  • Burning.
  • Stinging.
  • Itching.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at https://www.fda.gov/medwatch.

If overdose is suspected:

If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

How do I store and/or throw out Polytrim?

  • Store at room temperature.
  • Protect from light.
  • Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
  • Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.

Label

PRINCIPAL DISPLAY PANEL

  • ALLERGAN
  • NDC 0023-7824-10
  • Rx Only
  • POLYTRIM®
    (polymyxin B
    sulfate and
    trimethoprim
    ophthalmic
    solution, USP)
    sterile
  • 10 mL

ALLERGAN NDC 0023-7824-10 Rx Only POLYTRIM® (polymyxin B sulfate and trimethoprim ophthalmic solution, USP) sterile 10 mL

SRC: NLM .

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