Cefadrox 500 mg Tablet belongs to the class of cephalosporin antibiotics. It is used to treat upper respiratory tract bacterial infections, the skin and soft tissue, and the urinary system. Bacterial infections are caused due to the multiplication of harmful bacteria inside or on the body. Infectious or harmful bacteria can make you sick and reproduce quickly in your body. These harmful bacteria produce chemicals known as toxins, which can damage tissue and make you sick.