Please consult your physician before taking any medication. Ceclor Generic 500mg 15 Caps - cefaclor Generic Name: cefaclor (SEF a klor) Brand Names: Ceclor, Ceclor CD, Ceclor Pulvules, Raniclor What is Ceclor (cefaclor)? Cefaclor is an antibiotic in a class of drugs called cephalosporins. Cefaclor fights bacteria in the body. Cefaclor is used to treat many different types of bacterial infections such as bronchitis, tonsillitis, ear infections, skin infections, and urinary tract infections. Cefaclor may also be used for purposes other than those listed in this medication guide.