Bacitracin and polymyxin B are antibiotics that kill bacteria.
Bacitracin and polymyxin B ophthalmic (for the eyes) is used to treat eye infections caused by bacteria.
severe itching, redness, or swelling of your eyelids;
eye pain, redness, or watering;
vision changes, increased sensitivity to light;
white patches on your eyes;
crusting or drainage from your eyes; or
any new signs of infection.
(bacitracin zinc and polymyxin b sulfate) ophthalmic ointment