Bacitracin methylene disalicylateProduct ingredient for Bacitracin

Bacitracin is a combination of at least 9 bacitracins.^2,3 60-80% of commercially prepared bacitracin is bacitracin A.³ The bacillus that produces bacitracin was first isolated from a knee scrape in 1945 from the knee wound of a child named Margaret Tracy.³

Bacitracin was granted FDA approval on 29 July 1948.^4,9