Compare Zymaxid vs. Flagyl

Gatifloxacin (Zymaxid) and Metronidazole (Flagyl) are both antibiotics, but they are used for different types of infections and administered in different ways. Gatifloxacin (Zymaxid) is a fluoroquinolone antibiotic used as eye drops to treat bacterial conjunctivitis (pink eye) in people aged 1 year and older. In contrast, Metronidazole (Flagyl) is a nitroimidazole antibiotic taken orally to treat various bacterial and parasitic infections, including trichomoniasis and bacterial vaginosis. Metronidazole is also availible as an injection. Gatifloxacin (Zymaxid) is applied multiple times a day directly to the eye, while Metronidazole (Flagyl) is typically taken by mouth three times a day. You should avoid alcohol while taking Metronidazole (Flagyl) and for three days after stopping it, as it can cause a serious reaction. Gatifloxacin (Zymaxid) is available as a lower-cost generic, and so is Metronidazole (Flagyl). Common side effects of Gatifloxacin (Zymaxid) include eye irritation and changes in taste, whereas Metronidazole (Flagyl) can cause diarrhea, nausea, and a metallic taste in the mouth.