Co Mupimet Particles 10 ml is a dermatological antibiotic medication, primarily used to treat bacterial skin infections, impetigo, rosacea, and bacterial vaginal infection (bacterial vaginosis). Bacterial infection occurs when harmful bacteria invades and affects the tissues on skin. It can infect any part of the body and multiply very quickly. Impetigo is a contagious (spread by contact) infection that causes red sores on the face. Rosacea is a skin disease that causes redness, flushing, and pimples on the face.