Duricef is used to combat a wide range of diseases resulting from bacterial infections. It is an antibiotic that belongs to the cephalosporin class and is used to combat tonsillitis, treat bronchitis, treat sore throat, treat urinary tract infections, combat sinus infections, and also treat skin infections, treat laryngitis, treat soft tissue infections, combat middle ear infections, treat upper respiratory tract infections, and treat lower respiratory tract infections.