Ceftibuten is part of the Cephalosporin Antibiotics class and treats Ear Infection, Upper Respiratory Infection and Lower Respiratory Infection. Cephalosporin antibiotics are used to treat ear infections, lower respiratory infections, upper respiratory infections, urinary tract infections, skin infections, pneumonia, and sinus Infections. They work by slowing the growth of the bacteria that is causing the infection. Ceftibuten is only available as a generic drug.