This medication is used in the treatment of certain forms of bacterial infections like:
Acute bacterial sinusitis caused due to Haemophilus influenzae; Moraxella catarrhalis; or Streptococcus pneumoniae;
Acute bacterial exacerbation of chronic bronchitis caused because of methicillin-susceptible Staphylococcus aureus, Streptococcus pneumoniae, Haemophilus influenzae, Haemophilus parainfluenzae, or Moraxella catarrhalis;
Nosocomial pneumonia caused due to methicillin-susceptible Staphylococcus aureus, Pseudomonas aeruginosa, Serratia marcescens, Escherichia coli, Klebsiella pneumoniae, Haemophilus influenzae, or Streptococcus pneumoniae.
Community-acquired pneumonia caused due to methicillin-susceptible Staphylococcus aureus, Streptococcus pneumoniae, Haemophilus influenzae, Haemophilus parainfluenzae, Klebsiella pneumoniae, Moraxella catarrhalis, Chlamydia pneumoniae, Legionella pneumophila, or Mycoplasma pneumoniae;
Complicated skin and skin structure infections caused due to methicillin-susceptible Staphylococcus aureus, Enterococcus faecalis, Streptococcus pyogenes, or Proteus mirabilis;
Uncomplicated skin and skin structure infections caused due to methicillin-susceptible Staphylococcus aureus or Streptococcus pyogenes;
Chronic bacterial prostatitis caused due to Escherichia coli, Enterococcus faecalis, or methicillin-susceptible Staphylococcus epidermidis.
Complicated urinary tract infections caused due to Enterococcus faecalis, Enterobacter cloacae, Escherichia coli, Klebsiella pneumoniae, Proteus mirabilis, or Pseudomonas aeruginosa;
Acute pyelonephritis caused by Escherichia coli;
Uncomplicated urinary tract infections caused due to Escherichia coli, Klebsiella pneumoniae or Staphylococcus saprophyticus;
Inhalational of anthrax following exposure - to reduce the incidence or progression of disease following exposure to aerosolized Bacillus anthracis.

Off-label and investigational uses include:
Community-acquired pneumonia in children;
Endocarditis;
Enterocolitis (Shigella spp.);
Epididymitis (non-gonococcal);
Gonococcal infections;
Gynecological infections;
Legionnaires disease (Legionella pneumophila);
Pelvic inflammatory disease (PID);
Peritonitis;
Tuberculosis;
Typhoid fever.

Not recommended in people that:
Are allergic reactions to this medication or any of its ingredients; or to any other quinolone antibiotic like ciprofloxacin etc;
Have certain forms of irregular heartbeat;
Are taking cisapride or certain antiarrhythmics like amiodarone; procainamide; quinidine; sotalol.

Not advsiable in pregnant women and those that are planning on becoming pregnant.