Other antibiotics that are sometimes used to treat sinusitis include cipro ciprofloxacin , levaquin levofloxacin , zagam sparfloxacin , avelox moxifloxacin , tequin gatifloxacin , cleocin clindamycin , flagyl metronidazole , vantin cefpodoxime , suprax cefixime , and cedax ceftibuten .