Because of their limited range of effectiveness, the fluoroquinolones are used primarily in treating infections caused by gram- positive Bacteria.

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Fluoroquinolones are actually most effective against gram-negative bacteria, including some strains that are resistant to other antibiotics. They are also sometimes used to treat certain types of gram-positive infections, but this is not their primary use.

Because of Their Limited Range of Effectiveness, the Fluoroquinolones Are