Fluoroquinolones such as ciprofloxacin (Cipro and Proquin XR), gemifloxacin (Factive), levofloxacin (Levaquin), moxifloxacin (Avelox), norfloxacin (Noroxin), and ofloxacin (Floxin) are commonly prescribed for upper respiratory, gastrointestinal and urinary tract infections (UTIs).