Used to treat a variety of bacterial infections, including respiratory tract infections, urinary tract infections, skin infections, and prostatitis. It is effective against both gram-positive and gram-negative bacteria. Commonly prescribed for pneumonia, bronchitis, and sinusitis. Also used in the treatment of certain types of eye infections when formulated as ophthalmic solutions. Due to its broad-spectrum activity, it is often chosen when a wide coverage antibiotic is needed, especially in moderate to severe infections.