Question: what is the difference between a&d ointment and neosporin?
Answer: Bacitracin is a brand-name drug that contains the active ingredient bacitracin only. Neosporin is the brand name of a combination drug with the active ingredients bacitracin, neomycin, and polymixin b. ... One of the main differences between the two drugs is that some people are allergic to Neosporin but not to Bacitracin.