Antibiotic Ointment 144 ct Most effective antibiotic available Three active ingredients, including Bacitracin Zinc, Neomycin Sulfate and Polymyxin B Sulfate. Three-in-one antibiotic is packaged in a 0.9 gm unit dose packet for individual application without cross-contamination. Convenient 144-count box is ideal for first aid stations, school and occupational health nurses, or medical offices.