Metclin-CL Suppository is indicated for the treatment of vaginal infections. It contains clindamycin, clotrimazole, and metronidazole, which work by targeting a wide range of pathogens. This combination works by stopping bacterial growth, killing fungi, and damaging microorganism DNA. In some cases, it may cause common side effects such as vaginal burning sensation, itching, and burning. Before taking this medication, inform your doctor if you are pregnant or breastfeeding, taking any other medications, or have any pre-existing medical conditions.