Drug Strengths: Clindamycin 150 mg/ml, 2ml Ampoule Clindamycin 150 mg/ml, 4ml Ampoule Physical Form: Injection LiquidFunction: Antibiotic. It is an antibiotic useful for the treatment of a number of bacterial infections. This includes middle ear infections, bone or joint infections, pelvic inflammatory disease, strep throat, pneumonia, and endocarditis among others. It can be useful against some cases of methicillin-resistant Staphylococcus aureus (MRSA). It may also be used for acne and in addition to quinine for malaria.