Head-to-head comparisons of medication uses, side effects, warnings, and more.
Key takeaways
Moxifloxacin (Vigamox) and Besifloxacin (Besivance) are both fluoroquinolone antibiotic eye drops used to treat bacterial conjunctivitis (pink eye). Moxifloxacin (Vigamox) is available in both brand-name and generic forms, while Besifloxacin (Besivance) is only available as a brand-name medication. Moxifloxacin (Vigamox) can be used in people of all ages, including infants, whereas Besifloxacin (Besivance) is approved for use in adults and children 1 year and older. Both medications are typically dosed as one drop in the affected eye(s) three times a day for seven days. Common side effects for both include eye redness and irritation, but Moxifloxacin (Vigamox) can also cause dry eye, blurry vision, and watery eyes. While both medications are effective, the choice between them may depend on age and specific bacterial coverage.
Moxifloxacin (Vigamox)
Besivance (besifloxacin)
Moxifloxacin (Vigamox)
Besivance (besifloxacin)
Summary of Vigamox vs. Besivance
Summary for Fluoroquinolone antibiotic
Prescription only
Moxifloxacin (Vigamox) is a fluoroquinolone antibiotic that treats bacterial conjunctivitis (pink eye) in people of all ages. It's an eye drop that's placed in the affected eye(s) 3 times per day for 7 days. Side effects aren't common but can include dry eye, eye pain, eye redness, and itchy eyes. This medication is available as a brand-name and generic version.
Summary for Fluoroquinolone antibiotic
Prescription only
Besivance is a prescription eye drop used to treat bacterial pink eye in adults and children 1 year of age and older. It belongs to the fluoroquinolone antibiotic class. The dosage is typically 1 drop three times per day for 7 days to treat the eye infection. Currently it's available only as a brand-name medication as a generic is not yet available. Side effects aren't common, but include eye redness.