Clindamycin 150 mg is an antibiotic medication used to treat bacterial infections. It belongs to a class of medications called lincomycin antibiotics and works by slowing or stopping the growth of bacteria. Clindamycin is used to treat a variety of bacterial infections, including infections of the lungs, skin, blood, female reproductive organs, and internal organs. It is also sometimes used to treat acne and bacterial vaginosis. Clindamycin 150 mg is available in capsule form and should only be used to treat bacterial infections, not viral infections such as the common cold or flu. It is important to use antibiotics only when they are needed to avoid the development of antibiotic resistance.