Each gram contains Bacitracin Zinc 400 units. (1800petmeds.com)
Each gram contains Bacitracin Zinc 400 units, Neomycin Sulfate 5 mg (equivalent to 3.5 mg of Neomycin base), Polymyxin B Sulfate 10,000 units in a base of white petrolatum and Mineral Oil. (1800petmeds.com)
Neomycin, bacitracin Strangely, one of the treatments most often recommended to help heal burns, stitches, and other wounds is now thought to cause an allergic reaction in up to 10 percent of users. (health.com)