Clindamycin is not suitable for everyone, however, and it can cause a range of serious side effects. This article looks at some uses, dosages, and symptoms of clindamycin. Clindamycin is an antibiotic that treats bacterial infections. The brand name of this medication is Cleocin. Clindamycin is an antibiotic that fights bacteria in the body. Clindamycin is used to treat serious infections caused by bacteria. Clindamycin is usually available as one of three salts: clindamycin phosphate, clindamycin hydrochloride, or clindamycin nicotinamide. Description Clindamycin is used to treat bacterial infections. This medicine may be given to patients who had an allergic reaction to penicillin. Clindamycin will not work for colds, flu, or other virus infections. This medicine is available only with your doctor's prescription. Clindamycin is a lincosamide antibiotic that has been approved by the US Food and Drug Administration (FDA) for the treatment of anaerobic, streptococcal, and staphylococcal infections. Clindamycin belongs to a class of antibiotics known as lincosamides, and is used to treat bacterial infections including septicemia, pelvic inflammatory disease, abdominal, gynecological, respiratory tract, bone and joint, and skin and skin structure infections. Detailed Clindamycin dosage information for adults and children. Includes dosages for Bacterial Infection; plus renal, liver and dialysis adjustments. Clindamycin is a lincosamide antibiotic medication used for the treatment of a number of bacterial infections, including osteomyelitis (bone) or joint infections, pelvic inflammatory disease, strep throat, pneumonia, acute otitis media (middle ear infections), and endocarditis. [4] Find patient medical information for Clindamycin (Cleocin) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Clindamycin is used to treat certain types of bacterial infections. Clindamycin is in a class of medications called lincomycin antibiotics. It works by slowing or stopping the growth of bacteria. Antibiotics such as clindamycin will not work for colds, flu, or other viral infections.