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Compare Tobradex vs. Vigamox

Head-to-head comparisons of medication uses, side effects, warnings, and more.

Key takeaways

TobraDex (tobramycin/dexamethasone) and Vigamox (moxifloxacin) are both prescription eye drops used to treat bacterial eye infections, but they have some key differences. TobraDex is a combination of an aminoglycoside antibiotic (tobramycin) and a corticosteroid (dexamethasone), which means it not only fights bacteria but also reduces inflammation. In contrast, Vigamox contains only moxifloxacin, a fluoroquinolone antibiotic, and is specifically used to treat bacterial conjunctivitis (pink eye). TobraDex is available in both eye drop and ointment forms, while Vigamox is only available as eye drops. You need to use TobraDex multiple times a day, and it requires shaking before use, whereas Vigamox is used three times a day without shaking. Both medications are available in generic forms, making them more affordable. However, TobraDex has a higher risk of increasing eye pressure and causing cataracts with long-term use, while Vigamox can cause eye discomfort and should not be used if you have a severe allergy to fluoroquinolones.

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