Fluoroquinolones - Etiology, pathophysiology, symptoms, signs, diagnosis & prognosis from the Merck Manuals - Medical Professional Version. Fluoroquinolones are a powerful class of bactericidal antibiotics that inhibit bacterial DNA replication. They are widely used to treat urinary tract infections (UTIs), respiratory infections, gastrointestinal infections, and sexually transmitted diseases. Fluoroquinolones - Etiology, pathophysiology, symptoms, signs, diagnosis & prognosis from the MSD Manuals - Medical Professional Version. Fluoroquinolones are synthetic antibacterial agents belonging to the broader category of antibiotics known as quinolones. The introduction of fluorine at the C-6 position distinguishes fluoroquinolones from other quinolones.
