Head-to-head comparisons of medication uses, side effects, warnings, and more.
Polytrim (polymyxin B / trimethoprim) and Ciloxan (ciprofloxacin) are both prescription antibiotic eye drops used to treat bacterial eye infections, such as pink eye. Polytrim is a combination of two antibiotics, polymyxin B and trimethoprim, which work together to kill bacteria by breaking their protective covering and stopping their growth. Ciloxan, on the other hand, is a fluoroquinolone antibiotic that kills bacteria by blocking the chemicals they need to reproduce and repair themselves. Polytrim is typically used every 3 hours for 7 to 10 days, while Ciloxan has a more frequent dosing schedule, especially for corneal ulcers, requiring drops every 15 minutes initially. Polytrim is available as a lower-cost generic, whereas Ciloxan's ointment form is only available as a brand-name product. Both medications can cause temporary eye irritation, but Ciloxan may also cause a white substance to form on the cornea when treating ulcers. Neither medication should be used with contact lenses during treatment.
Polytrim (polymyxin B / trimethoprim) is a combination antibiotic eye drop. It's used to treat mild-to-moderate bacterial eye infections, such as pink eye, in adults and children ages 2 months and older. The typical dose is 1 drop applied directly in the eye(s) every 3 hours for 7 to 10 days. Some of the more common side effects of this eye drop include symptoms of eye irritation, such as redness, stinging, and itching. Polytrim (polymyxin B / trimethoprim) is available as a lower-cost generic.
Ciprofloxacin (Ciloxan) is an eye drop and eye ointment that can treat bacterial conjunctivitis (pink eye). The eye drops can also help treat corneal ulcers. This medication belongs to the drug class called fluoroquinolone antibiotics. Although the ciprofloxacin (Ciloxan) eye drops can be used for people of all ages, the eye ointment is approved for people who are 2 years old and older. The typical dosing varies greatly depending on the eye condition you have, what day of treatment you're on, and which formulation you're using. Side effects are often temporary; they can include eye discomfort, an aftertaste in the mouth, and itchy eye.
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