<unk> (oral) is an antibiotic and  fluoroquinolone that is FDA approved for the treatment of infections caused by designated, susceptible bacteria including pneumonia, acute bacterial sinusitis, acute bacterial exacerbation of chronic bronchitis, skin and skin structure infections, chronic bacterial prostatitis, urinary tract infections, acute pyelonephritis, inhalational anthrax, and plague. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include diarrhea, nausea, dizziness, headache, and insomnia.
Levofloxacin 
Azithromycin 
Roxithromycin
Enoxacin
Telithromycin
Dirithromycin
Cefepime
Moxifloxacin 