Cefaclor is an oral cephalosporin antibiotic used to treat bacterial infections including ear infections, respiratory tract infections, urinary tract infections, skin infections, and strep throat. Find patient medical information for Cefaclor (Ceclor, Raniclor) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings View cefaclor information, including dose, uses, side-effects, renal impairment, pregnancy, breast feeding and drug action. Take this medication by mouth. Take it as directed on the prescription label at the same time every day. You can take it with or without food. If it upsets your stomach, take it with food. Keep taking it unless your care team tells you to stop. Keep taking it even if you think you are better. Cefaclor is used to treat certain infections caused by bacteria. Cefaclor is in a class of medications called cephalosporin antibiotics. It works by stopping the growth of bacteria. Antibiotics such as cefaclor will not work for colds, flu, or other viral infections. Cefaclor is a second-generation cephalosporin antibiotic. It's used to treat many different types of infections throughout the body in both children and adults. This medication is available as tablets and as a liquid suspension that's taken by mouth, typically 2 to 3 times daily. Cefaclor, sold under the trade name Ceclor among others, is a second-generation cephalosporin antibiotic used to treat certain bacterial infections such as pneumonia and infections of the ear, lung, skin, throat, and urinary tract. Cefaclor package insert / prescribing information for healthcare professionals. Includes: indications, dosage, adverse reactions and pharmacology. Medscape - Indication-specific dosing for cefaclor, frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. What is cefaclor? Cefaclor is a cephalosporin (SEF a low spor in) antibiotic. It works by fighting bacteria in your body. Cefaclor is used to treat many kinds of bacterial infections, such as bladder infection, ear infection, skin infection, or infection of the respiratory tract.