Systop® Ointment contains Mupirocin 2% w/w, a topical antibiotic derived from Pseudomonas fluorescens. It is formulated to treat bacterial skin infections by inhibiting bacterial protein synthesis, thereby preventing the growth of infection-causing bacteria. This ointment is effective against pathogens such as Staphylococcus aureus (including MRSA) and Streptococcus pyogenes