Products like Polysporin etc. (polymyxin B/bacitracin) combine two antibiotics in an ointment.
These "double antibiotic" ointments are used to prevent and treat infections from minor cuts, burns or scrapes on the skin. Double antibiotics are able to work on a variety of gram-positive and gram-negative bacteria, including Pseudomonas and Staphylococcus resistant bacteria.
Shop for Polysporin etc. (polymyxin B/bacitracin ointment)