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. It can also be used to treat acne, and some cases of methicillin-resistant Staphylococcus aureus (MRSA). In combination with quinine, it can be used to treat malaria. It is available by mouth, by injection into a vein, and as a cream or a gel to be applied to the skin or in the vagina. Common side effects include nausea and vomiting, diarrhea, skin rashes, and pain at the site of injection. It increases the risk of hospital-acquired Clostridium difficile colitis about fourfold and thus is only recommended for use when other antibiotics are not appropriate. It appears to be generally safe in pregnancy. It is of the lincosamide class and works by blocking bacteria from making protein. Clindamycin was first made in 1966 from lincomycin. It is on the World Health Organization's List of Essential Medicines. It is available as a generic medication. In 2021, it was the 118th most commonly prescribed medication in the United States, with more than 5 million prescriptions. Source: Wikipedia (en)