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POLYMYXIN B; TRIMETHOPRIM (pol i MIX in B; trye METH oh prim) treats eye infections caused by bacteria. It belongs to a group of medications called antibiotics. It will not treat infections caused by viruses.
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Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. Policy
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
COMMON BRAND NAME(S): Polytrim
They need to know if you have any of these conditions:
This medication is used in the eye. Follow the directions on the prescription label. Wash your hands before and after use. Tilt your head back slightly. Pull your lower eyelid down gently to form a pouch. Do not touch the tip of the dropper to your eye, fingertips, or other surface. Squeeze the prescribed number of drops into the pouch. Close the eye gently to spread the drops. Use your medication at regular intervals. Do not take your medication more often than directed. Use all of your medication as directed even if you think you are better. Do not skip doses or stop your medication early.
Talk to your care team about the use of this medication in children. While this medication may be prescribed for children and infants for selected conditions, precautions do apply.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
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NOTE: This medicine is only for you. Do not share this medicine with others.
If you miss a dose, use it as soon as you can. If it is almost time for your next dose, use only that dose. Do not use double or extra doses.
Interactions are not expected. Do not use any other eye products without advice of your care team.
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
Check with your care team if your condition does not get better after 5 days, or if it gets worse.
If you wear contact lenses, ask when you can use your lenses again.
A burning or stinging reaction that does not go away may mean you are allergic to this product. Stop use and call your care team.
To prevent the spread of infection, do not share eye products or other personal items with anyone else.
Side effects that you should report to your care team as soon as possible:
Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Keep out of the reach of children.
Store at room temperature 15 to 25 degrees C (59 to 77 degrees F). Protect from light. To prevent the spread of infection, it is best to throw away any unused eye drops after you finish the course of treatment. Throw away any unused medication after the expiration date.
NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.
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Note: Introduction and Additional Common Questions written and medically approved by Cleveland Clinic professionals.