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Polymyxin B/trimethoprim (Into the eye)

Polymyxin B (pol-ee-MIX-in B), Trimethoprim (trye-METH-oh-prim)

There may be other brand names for this medicine.

This medicine is not right for everyone. Do not use it if you had an allergic reaction to polymyxin B or trimethoprim.

Your doctor will tell you how much medicine to use. Do not use more than directed.
Take all of the medicine in your prescription to clear up your infection, even if you feel better after the first few doses.
Wash your hands with soap and water before and after using this medicine.
Shake the eye drops well just before each use.
Lie down or tilt your head back. With your index finger, pull down the lower lid of your eye to form a pocket.
If you wear contact lenses, remove them before using this medicine. You may insert them again after 15 minutes.
Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

Tell your doctor if you are pregnant or breastfeeding.
If you hurt your eye, develop an eye infection, or need to have eye surgery, talk with your doctor right away. You may need to change your medicine or stop using it.
Call your doctor if your symptoms do not improve or if they get worse.
Your doctor will check your progress and the effects of this medicine at regular visits. Keep all appointments.
Keep all medicine out of the reach of children. Never share your medicine with anyone.

Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
Increased redness, burning, or pain in your eye
Swelling of your eyelid

Last Updated: 12/4/2023