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 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. Clindamycin is a semisynthetic antibiotic produced by a 7(S)-chloro-substitution of the 7(R)-hydroxyl group of the parent compound lincomycin. Clindamycin hydrochloride is the hydrated hydrochloride salt of clindamycin. Clindamycin. 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] 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. To reduce the development of drug-resistant bacteria and maintain the effectiveness of CLEOCIN HCl and other antibacterial drugs, CLEOCIN HCl should be used only to treat or prevent. Find patient medical information for Clindamycin (Cleocin) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings 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 Hydrochloride is the hydrochloride salt form of clindamycin, a semi-synthetic, chlorinated broad spectrum antibiotic produced by chemical modification of lincomycin. Clindamycin hydrochloride is used as a solid in capsules. Clindamycin is an antibiotic that treats bacterial infections. The brand name of this medication is Cleocin.